{"id":700,"date":"2026-01-24T15:53:15","date_gmt":"2026-01-24T15:53:15","guid":{"rendered":"https:\/\/bliv-klogere.dk\/?page_id=700"},"modified":"2026-02-05T16:07:24","modified_gmt":"2026-02-05T16:07:24","slug":"7-broker","status":"publish","type":"page","link":"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/","title":{"rendered":"7. Br\u00f8ker"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Indholdsfortegnelse<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#1_Vi_bruger_broker_hele_tiden\" >1. Vi bruger br\u00f8ker hele tiden<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#11_Taeller_naevner_aegte_og_uaegte_broker\" >1.1 T\u00e6ller, n\u00e6vner, \u00e6gte og u\u00e6gte br\u00f8ker<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#12_Forkortelser\" >1.2 Forkortelser<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#13_Broker_decimaler_og_procenter\" >1.3 Br\u00f8ker, decimaler og procenter<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#2_Regneregler_for_broker_hurtig_udgave\" >2. Regneregler for br\u00f8ker hurtig udgave<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#21_Laegge_2_broker_sammen\" >2.1 L\u00e6gge 2 br\u00f8ker sammen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#22_Traekke_2_broker_fra_hinanden\" >2.2 Tr\u00e6kke 2 br\u00f8ker fra hinanden<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#23_Gange_2_broker_med_hinanden\" >2.3 Gange 2 br\u00f8ker med hinanden<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#24_Dividere_2_broker_med_hinanden\" >2.4 Dividere 2 br\u00f8ker med hinanden<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#3_En_alternativ_forklaring_ud_fra_en_video\" >3. En alternativ forklaring ud fra en video<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#Opgaver\" >Opgaver<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#71_Lidt_hverdagsmatematik\" >7.1 Lidt hverdagsmatematik<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#72_Forkort_brokerne_mest_muligt\" >7.2 Forkort br\u00f8kerne mest muligt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#73_Plus_minus_gange_og_dividere\" >7.3 Plus, minus, gange og dividere<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/#74_Problemregning\" >7.4 Problemregning<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Vi_bruger_broker_hele_tiden\"><\/span>1. Vi bruger br\u00f8ker hele tiden<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>En br\u00f8k er en del af noget helt<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En pizza<\/li>\n\n\n\n<li>En kage<\/li>\n\n\n\n<li>En liter m\u00e6lk<\/li>\n\n\n\n<li>Deleb\u00f8rn<\/li>\n\n\n\n<li>Dele\u00f8konomi<\/li>\n\n\n\n<li>AGF er i kvartfinalen i Champeons League (kvart-finale = 1\/4 finale)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Tid<\/strong><\/td><td><strong>Mad og indk\u00f8b<\/strong><\/td><td><strong>Udsalg<\/strong><\/td><td><strong>Opskrifter<\/strong><\/td><\/tr><tr><td>&#8211; \u00bd time = 30 minutter &nbsp; <br>&#8211; \u00bc time = 15 minutter &nbsp; &#8212; Halvdelen af m\u00e5neden er g\u00e5et<\/td><td>&#8211; \u00bd liter m\u00e6lk &nbsp;<br>&#8211; \u00bc kilo m\u00f8rbrad<br>&#8211; &nbsp;N\u00e5r man deler en pizza<\/td><td>&#8211; Halv pris<br>&#8211; 20% rabat (er det en br\u00f8k?)<\/td><td>&#8211; \u00bd kop ris<br>&#8211; En opskrift til 4 personer, som skal laves til 2 personer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_Taeller_naevner_aegte_og_uaegte_broker\"><\/span>1.1 T\u00e6ller, n\u00e6vner, \u00e6gte og u\u00e6gte br\u00f8ker<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u00e6ller er \u00f8verst (3) og n\u00e6vner nederst (4), som f.eks. 3\/4<\/li>\n\n\n\n<li>\u00c6gte br\u00f8ker<\/li>\n\n\n\n<li>U\u00e6gte br\u00f8ker\n<ul class=\"wp-block-list\">\n<li>T\u00e6lleren &gt;= n\u00e6vneren<\/li>\n\n\n\n<li>Du har en hel kage eller mere<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>U\u00e6gte br\u00f8ker kan skrives som blandede tal<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_Forkortelser\"><\/span>1.2 Forkortelser<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Br\u00f8ker kan ofte forkortes<br>50\/100 = 10\/20 =&nbsp; \u00bd<\/li>\n\n\n\n<li>6\/8 = \u00be<\/li>\n\n\n\n<li>Forkortede br\u00f8ker kan v\u00e6re nemmere at overskue<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13_Broker_decimaler_og_procenter\"><\/span>1.3 Br\u00f8ker, decimaler og procenter<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sammenh\u00e6ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1\/2 = 0,5 = 50 %<\/li>\n\n\n\n<li>3\/4 = 0,75 = 75 %<\/li>\n\n\n\n<li>1\/5 = 0,2 = 20 %<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Regneregler_for_broker_hurtig_udgave\"><\/span>2. Regneregler for br\u00f8ker hurtig udgave<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"21_Laegge_2_broker_sammen\"><\/span>2.<strong>1 L\u00e6gge 2 br\u00f8ker sammen<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Regneregel<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvis samme n\u00e6vner<br>= t\u00e6ller + t\u00e6ller<br>= forkort br\u00f8ken hvis relevant<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ikke samme n\u00e6vner<br>= find en f\u00e6llesn\u00e6vner<br>= gang b\u00e5de t\u00e6ller og n\u00e6vner i br\u00f8ken med det fundne tal<br>= t\u00e6ller + t\u00e6ller = forkort br\u00f8ken hvis relevant<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Eksempler<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1\/3 + 1\/3 = 2\/3<\/li>\n\n\n\n<li>1\/4 + 3\/4 = 4\/4<\/li>\n\n\n\n<li>1\/4 + 1\/2 = 1\/4 + 2\/4 = 3\/4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"22_Traekke_2_broker_fra_hinanden\"><\/span>2.2 Tr\u00e6kke 2 br\u00f8ker fra hinanden<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Regneregel: Samme regneregler som hvis 2 br\u00f8ker l\u00e6gges sammen:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvis samme n\u00e6vner<br>= t\u00e6ller &#8211; t\u00e6ller <br>= forkort br\u00f8ken hvis relevant<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ikke samme n\u00e6vner<br>= find en f\u00e6llesn\u00e6vner<br>= gang b\u00e5de t\u00e6ller og n\u00e6vner i br\u00f8ken med det fundne tal<br>= t\u00e6ller + t\u00e6ller<br>= forkort br\u00f8ken hvis relevant<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Eksempler<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3\/4 \u2212 1\/3 = 9\/12 \u2013 4\/12 = 5\/12<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"23_Gange_2_broker_med_hinanden\"><\/span>2.3 Gange 2 br\u00f8ker med hinanden<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gange tal med br\u00f8k<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Du ganger et tal med en br\u00f8k ved at gange tallet med t\u00e6lleren<\/li>\n\n\n\n<li>&#8220;Vi har 4 boller, og de skal deles mellem 3 personer. De f\u00e5r 1\/3 hver&#8221;<\/li>\n\n\n\n<li>4 * 1\/3 = 4\/3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gange br\u00f8k med br\u00f8k<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1\/2 \u00b7 3\/4 time<\/li>\n\n\n\n<li>\u201cHalvdelen af \u00be time<\/li>\n\n\n\n<li>Regel: T\u00e6ller * t\u00e6ller \/ n\u00e6vner * n\u00e6vner<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1\/2 * 3\/4 = 1*3 \/ 2*4 = 3\/8<\/li>\n\n\n\n<li>Forkort om muligt<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ganger du en \u00e6gte br\u00f8k med en \u00e6gte br\u00f8k, s\u00e5 bliver resultatet mindre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"24_Dividere_2_broker_med_hinanden\"><\/span>2.4 Dividere 2 br\u00f8ker med hinanden<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Regneregel: &#8220;Man dividerer 2 br\u00f8ker med hinanden ved at gange med den omvendte&#8221;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dividere tal med br\u00f8k<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Du dividerer et tal med en br\u00f8k ved at gange med den omvendte br\u00f8k<\/li>\n\n\n\n<li>&#8220;Jeg har en time til at l\u00f8be i, og p\u00e5 1\/3 af tiden har jeg l\u00f8bet 5 km. Hvor langt n\u00e5r jeg med samme gennemsnitsfart&#8221;<\/li>\n\n\n\n<li>5 : 1\/3 = 5 * 3\/1 = 15\/1 = 15<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dividere br\u00f8k med br\u00f8k<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&nbsp;1\/2 \u00b7 3\/4 liter<\/li>\n\n\n\n<li>&nbsp;\u201dHvor mange halve litre er der i \u00be liter\u201d<\/li>\n\n\n\n<li>Regel: Divider en br\u00f8k ved at gange med den omvendte\n<ul class=\"wp-block-list\">\n<li>T\u00e6ller br\u00f8k 1 * n\u00e6vner br\u00f8k 2<\/li>\n\n\n\n<li>N\u00e6vner br\u00f8k 1 * t\u00e6ller br\u00f8k 2<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Forkort om muligt<\/li>\n\n\n\n<li>1 * 4\/2 * 3 = 4\/6 = 2\/3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dividerer du 2 \u00e6gte br\u00f8ker med hinanden, bliver resultatet st\u00f8rre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_En_alternativ_forklaring_ud_fra_en_video\"><\/span>3. En alternativ forklaring ud fra en video<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jeg har fundet en video p\u00e5 nettet, som forklarer regnereglerne godt med formler. Den er her:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Br\u00f8kers regneregler\" width=\"604\" height=\"340\" src=\"https:\/\/www.youtube.com\/embed\/BYeqtpO4QUg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00e6ller og n\u00e6vner<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En br\u00f8k best\u00e5r af en t\u00e6ller og en n\u00e6vner<\/li>\n\n\n\n<li>T\u00e6ller = top = det oven over stregen<\/li>\n\n\n\n<li>N\u00e6vner = nederst = det neden under stregen<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"737\" height=\"523\" src=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-293.png\" alt=\"\" class=\"wp-image-965\" srcset=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-293.png 737w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-293-300x213.png 300w\" sizes=\"auto, (max-width: 737px) 100vw, 737px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gange 2 br\u00f8ker med hinanden<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"944\" height=\"552\" src=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-294.png\" alt=\"\" class=\"wp-image-966\" srcset=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-294.png 944w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-294-300x175.png 300w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-294-768x449.png 768w\" sizes=\"auto, (max-width: 944px) 100vw, 944px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dividere 2 br\u00f8ker med hinanden = &#8220;At gange med den omvendte&#8221;<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"937\" height=\"619\" src=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-295.png\" alt=\"\" class=\"wp-image-967\" srcset=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-295.png 937w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-295-300x198.png 300w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-295-768x507.png 768w\" sizes=\"auto, (max-width: 937px) 100vw, 937px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u00e6g 2 br\u00f8ker sammen<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"585\" src=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-296-1024x585.png\" alt=\"\" class=\"wp-image-968\" srcset=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-296-1024x585.png 1024w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-296-300x171.png 300w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-296-768x438.png 768w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-296.png 1107w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Eksempel<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"496\" src=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-297-1024x496.png\" alt=\"\" class=\"wp-image-969\" srcset=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-297-1024x496.png 1024w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-297-300x145.png 300w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-297-768x372.png 768w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-297.png 1114w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Lidt smartere, vi finder en lavere f\u00e6lles n\u00e6vner<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"618\" src=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-298-1024x618.png\" alt=\"\" class=\"wp-image-970\" srcset=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-298-1024x618.png 1024w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-298-300x181.png 300w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-298-768x464.png 768w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-298.png 1090w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tr\u00e6kke 2 br\u00f8ker fra hinanden<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"533\" src=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-299-1024x533.png\" alt=\"\" class=\"wp-image-971\" srcset=\"https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-299-1024x533.png 1024w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-299-300x156.png 300w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-299-768x400.png 768w, https:\/\/bliv-klogere.dk\/wp-content\/uploads\/2026\/01\/image-299.png 1138w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Opgaver\"><\/span>Opgaver<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"71_Lidt_hverdagsmatematik\"><\/span>7.1 Lidt hverdagsmatematik<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En opskrift bruger 3\/4 liter m\u00e6lk til 4 personer. Du vil lave opskriften til 2 personer, dvs halv portion. Hvor meget m\u00e6lk skal du bruge?<\/li>\n\n\n\n<li>Du arbejder 7,5 timer. 2\/3 af tiden er fysisk arbejde. Hvor mange timer er det?<\/li>\n\n\n\n<li>En vare er sat ned med 25 %. Hvad svarer de 25% til som br\u00f8k og decimal?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"72_Forkort_brokerne_mest_muligt\"><\/span>7.2 Forkort br\u00f8kerne mest muligt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Br\u00f8k<\/strong><\/td><td><strong>Forkortelse<\/strong><\/td><\/tr><tr><td>2\/4<\/td><td>1\/2<\/td><\/tr><tr><td>4\/6<\/td><td>&nbsp;<\/td><\/tr><tr><td>6\/2<\/td><td>&nbsp;<\/td><\/tr><tr><td>5\/2<\/td><td>&nbsp;<\/td><\/tr><tr><td>12\/8<\/td><td>&nbsp;<\/td><\/tr><tr><td>12\/4<\/td><td>&nbsp;<\/td><\/tr><tr><td>9\/12<\/td><td>&nbsp;<\/td><\/tr><tr><td>10\/100<\/td><td>&nbsp;<\/td><\/tr><tr><td>20\/100<\/td><td>&nbsp;<\/td><\/tr><tr><td>25\/100<\/td><td>&nbsp;<\/td><\/tr><tr><td>30\/100<\/td><td>&nbsp;<\/td><\/tr><tr><td>33\/100<\/td><td>&nbsp;<\/td><\/tr><tr><td>12,5\/100<\/td><td>&nbsp;<\/td><\/tr><tr><td>35\/100<\/td><td>&nbsp;<\/td><\/tr><tr><td>9\/100<\/td><td>&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"73_Plus_minus_gange_og_dividere\"><\/span>7.3 Plus, minus, gange og dividere<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vis gerne udregningerne undervejs.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Nr.<\/strong><\/td><td><strong>Br\u00f8k 1<\/strong><\/td><td><strong>Br\u00f8k 2<\/strong><\/td><td><strong>Plus<\/strong><\/td><td><strong>Minus<\/strong><\/td><td><strong>Gange<\/strong><\/td><td><strong>Dividere<\/strong><\/td><\/tr><tr><td>1<\/td><td>1\/3<\/td><td>1\/2<\/td><td>1\/3 + 1\/2 = 5\/6<\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>2<\/td><td>2\/3<\/td><td>1\/2<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>3<\/td><td>1\/2<\/td><td>3\/4<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>4<\/td><td>4\/3<\/td><td>2\/3<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>5<\/td><td>3\/6<\/td><td>2\/3<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>6<\/td><td>4\/6<\/td><td>2\/3<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>7<\/td><td>6\/4<\/td><td>1\/5<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>8<\/td><td>7\/11<\/td><td>2\/11<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>9<\/td><td>6\/11<\/td><td>1\/2<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>10<\/td><td>3\/8<\/td><td>3\/4<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>11<\/td><td>3\/5<\/td><td>3\/6<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>12<\/td><td>1\/3<\/td><td>8\/24<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>14<\/td><td>2\/3<\/td><td>7\/21<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>15<\/td><td>11\/5<\/td><td>12\/4<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><tr><td>16<\/td><td>16\/13<\/td><td>5\/11<\/td><td><\/td><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"74_Problemregning\"><\/span>7.4 Problemregning<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Rabat i supermarkedet<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Anna k\u00f8ber en jakke til 800 kr. Jakken er p\u00e5 <strong>25% rabat<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvor meget udg\u00f8r rabatten i kroner?<\/li>\n\n\n\n<li>Hvor meget skal Anna betale efter rabatten?<\/li>\n\n\n\n<li>Hvis Anna havde et gavekort p\u00e5 100 kr., hvor meget skal hun betale nu?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Opskrift<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En opskrift p\u00e5 chokoladekage kr\u00e6ver <strong>3\/4 liter m\u00e6lk<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvis Anna kun vil lave halvt s\u00e5 meget kage, hvor mange liter m\u00e6lk skal hun bruge?<\/li>\n\n\n\n<li>Hvis hun vil lave dobbelt portion, hvor mange liter m\u00e6lk skal hun bruge?<\/li>\n\n\n\n<li>Hvor mange deciliter svarer det til, hvis 1 liter = 10 dl?<\/li>\n\n\n\n<li>Der indg\u00e5r ogs\u00e5 200 gram mel, 4 \u00e6g i opskriften samt \u00bd liter piskefl\u00f8de. Hvad skal hun bruge af disse ingredienser hvis hun vil lave hhv.\n<ul class=\"wp-block-list\">\n<li>Halv portion<\/li>\n\n\n\n<li>Dobbelt portion<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Drikkeflaske<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En flaske indeholder <strong>1 1\/2 liter vand<\/strong>. Anna drikker <strong>2\/5<\/strong> af flasken.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvor mange liter vand drikker hun?<\/li>\n\n\n\n<li>Hvor mange liter er tilbage i flasken?<\/li>\n\n\n\n<li>Omregn det, hun drak, til deciliter<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Biografbilletter<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En biografbillet koster 120 kr. B\u00f8rn under 12 \u00e5r f\u00e5r <strong>20% rabat<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvor mange kroner udg\u00f8r rabatten?<\/li>\n\n\n\n<li>Hvor meget skal et barn betale?<\/li>\n\n\n\n<li>Hvis en voksen k\u00f8ber 3 billetter og et barn k\u00f8ber 2 billetter, hvor meget betaler de tilsammen?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Cykeltur<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Peter cykler 12,5 km om dagen.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvor langt cykler han p\u00e5 3 dage?<\/li>\n\n\n\n<li>Hvor langt cykler han p\u00e5 3 1\/2 dag?<\/li>\n\n\n\n<li>Hvis han \u00f8ger sin daglige distance med 2,5 km, hvor langt cykler han s\u00e5 p\u00e5 3 dage?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. Pizza<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En pizza er sk\u00e5ret i 8 stykker. Maria spiser <strong>3\/8<\/strong> af pizzaen.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvor mange stykker pizza spiser Maria?<\/li>\n\n\n\n<li>Hvor mange stykker er tilbage?<\/li>\n\n\n\n<li>Hvor stor en procentdel af pizzaen har Maria spist?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7. Indk\u00f8b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En pakke juice koster 18,50 kr. Anna k\u00f8ber 4 pakker.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvor meget betaler hun i alt?<\/li>\n\n\n\n<li>Hvis hun f\u00e5r <strong>10% rabat<\/strong> p\u00e5 hele k\u00f8bet, hvor meget betaler hun s\u00e5?<\/li>\n\n\n\n<li>Hvor meget sparer hun med rabatten?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>8. Blandet tal<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En mursten vejer <strong>2 3\/4 kg<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvor meget vejer 6 mursten tilsammen?<\/li>\n\n\n\n<li>Hvor mange hele kg vejer 6 mursten, og hvor mange kg er restv\u00e6gten?<\/li>\n\n\n\n<li>Omregn den samlede v\u00e6gt til gram.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>9. Procentvis \u00e6ndring<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En bog koster 250 kr. Prisen stiger med <strong>15%<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hvor mange kroner stiger prisen?<\/li>\n\n\n\n<li>Hvad er den nye pris?<\/li>\n\n\n\n<li>Hvis prisen efter stigningen falder med 10%, hvad bliver prisen s\u00e5?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Link til <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\">toppen af siden<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Vi bruger br\u00f8ker hele tiden En br\u00f8k er en del af noget helt Tid Mad og indk\u00f8b Udsalg Opskrifter &#8211; \u00bd time = 30 minutter &nbsp; &#8211; \u00bc time = 15 minutter &nbsp; &#8212; Halvdelen af m\u00e5neden er g\u00e5et &#8211; \u00bd liter m\u00e6lk &nbsp;&#8211; \u00bc kilo m\u00f8rbrad&#8211; &nbsp;N\u00e5r man deler en pizza &#8211; Halv &hellip; <a href=\"https:\/\/bliv-klogere.dk\/index.php\/7-broker\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">7. Br\u00f8ker<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-700","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/bliv-klogere.dk\/index.php\/wp-json\/wp\/v2\/pages\/700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bliv-klogere.dk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bliv-klogere.dk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bliv-klogere.dk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bliv-klogere.dk\/index.php\/wp-json\/wp\/v2\/comments?post=700"}],"version-history":[{"count":16,"href":"https:\/\/bliv-klogere.dk\/index.php\/wp-json\/wp\/v2\/pages\/700\/revisions"}],"predecessor-version":[{"id":1371,"href":"https:\/\/bliv-klogere.dk\/index.php\/wp-json\/wp\/v2\/pages\/700\/revisions\/1371"}],"wp:attachment":[{"href":"https:\/\/bliv-klogere.dk\/index.php\/wp-json\/wp\/v2\/media?parent=700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}