{"id":11242,"date":"2026-05-05T08:46:36","date_gmt":"2026-05-05T08:46:36","guid":{"rendered":"https:\/\/www.rady-ch.top\/?p=11242"},"modified":"2026-05-05T08:46:37","modified_gmt":"2026-05-05T08:46:37","slug":"podivejme-se-kdo-se-ve-skole-ucil-a-kdo-ji-zameskal-spocitejte-si-to-ale-bez-kalkulacky","status":"publish","type":"post","link":"https:\/\/www.rady-ch.top\/?p=11242","title":{"rendered":"Pod\u00edvejme se, kdo se ve \u0161kole u\u010dil a kdo ji zame\u0161kal. Spo\u010d\u00edtejte si to, ale bez kalkula\u010dky."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">V\u00fdzva p\u0159ijata! Takov\u00e9 ty internetov\u00e9 h\u00e1danky, co vypadaj\u00ed jednodu\u0161e, ale polovina lid\u00ed se v nich v koment\u00e1\u0159\u00edch poh\u00e1d\u00e1, jsou klasika.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Schv\u00e1ln\u011b, jestli se tref\u00edm do typu p\u0159\u00edkladu, kter\u00fd m\u00e1te na mysli. V\u011bt\u0161inou jde o <strong>po\u0159ad\u00ed operac\u00ed<\/strong> (pravidlo PEMDAS\/BODMAS).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tady je jeden \u201echyt\u00e1k\u201c pro v\u00e1s:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">$$7 + 7 \\div 7 + 7 \\times 7 &#8211; 7 = ?$$<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Jak na to (bez kalkula\u010dky a s chladnou hlavou):<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>N\u00e1soben\u00ed a d\u011blen\u00ed m\u00e1 p\u0159ednost:<\/strong> Nejd\u0159\u00edve vy\u0159e\u0161\u00edme tyhle dv\u011b operace uprost\u0159ed.\n<ul class=\"wp-block-list\">\n<li>$7 \\div 7 = \\mathbf{1}$<\/li>\n\n\n\n<li>$7 \\times 7 = \\mathbf{49}$<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Te\u010f to d\u00e1me dohromady:<\/strong> Dosad\u00edme v\u00fdsledky zp\u011bt do \u0159ady.\n<ul class=\"wp-block-list\">\n<li>$7 + \\mathbf{1} + \\mathbf{49} &#8211; 7$<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>S\u010d\u00edt\u00e1n\u00ed a od\u010d\u00edt\u00e1n\u00ed zleva doprava:<\/strong>\n<ul class=\"wp-block-list\">\n<li>$7 + 1 = 8$<\/li>\n\n\n\n<li>$8 + 49 = 57$<\/li>\n\n\n\n<li>$57 &#8211; 7 = \\mathbf{50}$<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u00fdsledek je 50.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kde lid\u00e9 nej\u010dast\u011bji d\u011blaj\u00ed chybu?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u010casto po\u010d\u00edtaj\u00ed prost\u011b zleva doprava, jak jim to p\u0159ijde pod ruku ($7+7=14$, pak $14\\div7=2$ atd.), co\u017e je v matematice nejrychlej\u0161\u00ed cesta k p\u011btce z p\u00edsemky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u011bli jste na mysli tento typ p\u0159\u00edkladu, nebo tam byl je\u0161t\u011b n\u011bjak\u00fd z\u00e1ke\u0159n\u00fd chyt\u00e1k s ovocem nebo botami, kter\u00e9 v ka\u017ed\u00e9m \u0159\u00e1dku m\u011bn\u00ed hodnotu?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u00fdzva p\u0159ijata! Takov\u00e9 ty internetov\u00e9 h\u00e1danky, co vypadaj\u00ed jednodu\u0161e, ale polovina lid\u00ed se v nich v koment\u00e1\u0159\u00edch poh\u00e1d\u00e1, jsou klasika. Schv\u00e1ln\u011b, jestli se tref\u00edm do typu p\u0159\u00edkladu, kter\u00fd m\u00e1te na [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":11243,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-11242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zahrada"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pod\u00edvejme se, kdo se ve \u0161kole u\u010dil a kdo ji zame\u0161kal. Spo\u010d\u00edtejte si to, ale bez kalkula\u010dky. - Recept\u00e1\u0159<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rady-ch.top\/?p=11242\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pod\u00edvejme se, kdo se ve \u0161kole u\u010dil a kdo ji zame\u0161kal. Spo\u010d\u00edtejte si to, ale bez kalkula\u010dky. - Recept\u00e1\u0159\" \/>\n<meta property=\"og:description\" content=\"V\u00fdzva p\u0159ijata! Takov\u00e9 ty internetov\u00e9 h\u00e1danky, co vypadaj\u00ed jednodu\u0161e, ale polovina lid\u00ed se v nich v koment\u00e1\u0159\u00edch poh\u00e1d\u00e1, jsou klasika. 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