[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.svey.cz\/jak-zvladnout-prijimacky-z-matematiky\/#Article","mainEntityOfPage":"https:\/\/www.svey.cz\/jak-zvladnout-prijimacky-z-matematiky\/","headline":"Jak zvl\u00e1dnout p\u0159ij\u00edma\u010dky z matematiky!","name":"Jak zvl\u00e1dnout p\u0159ij\u00edma\u010dky z matematiky!","description":"P\u0159ij\u00edmac\u00ed zkou\u0161ky jsou tvo\u0159eny ze dvou \u010d\u00e1st\u00ed. Prvn\u00ed \u010d\u00e1st\u00ed je p\u00edsemn\u00e1 zkou\u0161ka z\u00a0\u010cesk\u00e9ho jazyka a druhou je test z\u00a0matematiky. Ten je pro v\u011bt\u0161inu \u017e\u00e1k\u016f z\u00e1kladn\u00edch \u0161kol velik\u00fdm o\u0159\u00ed\u0161kem. Nejedn\u00e1 se v\u0161ak o nic slo\u017eit\u00e9ho, pokud zn\u00e1te n\u011bkolik f\u00edgl\u016f, jak na to! Pod\u00edvejte se na n\u011b: 1)\u00a0\u00a0\u00a0\u00a0\u00a0 Tipn\u011bte si, co nev\u00edte! Pokud u\u017e bude\u0161 u konce a bude na tebe tla\u010dit … ","datePublished":"2024-10-05","dateModified":"2024-10-05","author":{"@type":"Person","@id":"https:\/\/www.svey.cz\/author\/#Person","name":"svey.cz","url":"https:\/\/www.svey.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/0c4621640b5c0734669aeb181ef77969b528487727344f28e734a206566ea0f1?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/0c4621640b5c0734669aeb181ef77969b528487727344f28e734a206566ea0f1?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"svey.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.svey.cz\/wp-content\/uploads\/img_a342162_w2418_t1555063928.png","url":"https:\/\/www.svey.cz\/wp-content\/uploads\/img_a342162_w2418_t1555063928.png","height":0,"width":0},"url":"https:\/\/www.svey.cz\/jak-zvladnout-prijimacky-z-matematiky\/","about":["Vzd\u011bl\u00e1n\u00ed"],"wordCount":400,"articleBody":"P\u0159ij\u00edmac\u00ed zkou\u0161ky jsou tvo\u0159eny ze dvou \u010d\u00e1st\u00ed. Prvn\u00ed \u010d\u00e1st\u00ed je p\u00edsemn\u00e1 zkou\u0161ka z\u00a0\u010cesk\u00e9ho jazyka a druhou je test z\u00a0matematiky. Ten je pro v\u011bt\u0161inu \u017e\u00e1k\u016f z\u00e1kladn\u00edch \u0161kol velik\u00fdm o\u0159\u00ed\u0161kem. Nejedn\u00e1 se v\u0161ak o nic slo\u017eit\u00e9ho, pokud zn\u00e1te n\u011bkolik f\u00edgl\u016f, jak na to! Pod\u00edvejte se na n\u011b:1)\u00a0\u00a0\u00a0\u00a0\u00a0 Tipn\u011bte si, co nev\u00edte! Pokud u\u017e bude\u0161 u konce a bude na tebe tla\u010dit \u010das, je dobr\u00e9 tipovac\u00ed \u00falohy za\u0161krtnout absolutn\u011b n\u00e1hodn\u011b. Za \u0161patn\u00e9 odpov\u011bdi se toti\u017e body nestrh\u00e1vaj\u00ed, tak\u017ee m\u016f\u017eete jen z\u00edskat. Nen\u00ed to sice ide\u00e1ln\u00ed \u0159e\u0161en\u00ed, ale m\u016f\u017ee v\u00e1m pomoci!2)\u00a0\u00a0\u00a0\u00a0\u00a0 Pyth\u00e1gorejsk\u00fd troj\u00faheln\u00edk. Ka\u017ed\u00fd zn\u00e1 Pythagorovu v\u011btu. M\u00e9n\u011b lid\u00ed pak ale v\u00ed, \u017ee existuje i sada takzvan\u00fdch pyth\u00e1gorejsk\u00fdch troj\u00faheln\u00edk\u016f. Jedn\u00e1 se o pravo\u00fahl\u00e9 troj\u00faheln\u00edky, kdy d\u00e9lky v\u0161ech stran m\u016f\u017eeme vyj\u00e1d\u0159it cel\u00fdmi \u010d\u00edsly. Z\u00e1kladn\u00ed trojice je 3,4,5. Pokud tedy budete m\u00edt v\u00a0kter\u00e9mkoli p\u0159\u00edkladu dv\u011b z\u00a0t\u011bchto \u010d\u00edslic jako strany troj\u00faheln\u00edku, jeho t\u0159et\u00ed strana bude dlouh\u00e1 jako posledn\u00ed \u010d\u00edslo z\u00a0trojice. Dal\u0161\u00ed soustavy pythagorejsk\u00fdch trojic jsou (5,12,13), (7,24,25), (9,40,41), (8,15,17) a dal\u0161\u00ed.3)\u00a0\u00a0\u00a0\u00a0\u00a0 Sou\u010det \u00fahl\u016f v\u00a0troj\u00faheln\u00edku. Tento je v\u017edy 180\u00b0.4)\u00a0\u00a0\u00a0\u00a0\u00a0 V\u00fdhodn\u00e9 s\u010d\u00edt\u00e1n\u00ed. N\u011bkdy p\u0159i s\u010d\u00edt\u00e1n\u00ed \u0159ady \u010d\u00edslic je v\u00fdhodn\u00e9 se\u010d\u00edst konkr\u00e9tn\u00ed dvojice, kter\u00e9 n\u00e1m dohromady daj\u00ed hodnotu 10. Jsou to dvojice 1+9; 2+8; 3+7; 4+6; 5+5. Takov\u00fd postup n\u00e1m urychl\u00ed matematick\u00e9 operace.5)\u00a0\u00a0\u00a0\u00a0\u00a0 D\u011blitelnost. N\u011bkter\u00e9 vy\u0161\u0161\u00ed numerick\u00e9 hodnoty je t\u0159eba vyd\u011blit,nap\u0159\u00edklad p\u0159i kr\u00e1cen\u00ed zlomk\u016f, zde vyu\u017eijeme tohoto matematick\u00e9ho jevu. Pokud se jedn\u00e1 o sudou hodnotu, lze ji beze zbytku d\u011blit dv\u011bma, pokud je cifern\u00fd sou\u010det n\u00e1sobkem t\u0159\u00ed, je hodnota jako celek d\u011bliteln\u00e1 t\u0159emi. Pokud jsou posledn\u00ed dva \u0159\u00e1dy n\u00e1sobkem \u010dty\u0159ky, plat\u00ed to pro celou hodnotu. Pokud kon\u010d\u00ed na nulu \u010di p\u011btku, je d\u011blitel \u010d\u00edslo p\u011bt. Pro \u0161estku plat\u00ed pravidla jako u 2 a 3. Pro 7 a 8 bohu\u017eel zjednodu\u0161en\u00ed neexistuje, u dev\u00edtky obdobn\u011b jako u trojky a p\u0159i des\u00edtce kon\u010d\u00edme nulou.Pokud se tedy t\u011bchto \u201ef\u00edgl\u016f\u201c budete dr\u017eet, p\u0159ij\u00edmac\u00ed test pro v\u00e1s bude hra\u010dka!                                                                                                                                                                                                                                                                                                                                                                                        4.8\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak zvl\u00e1dnout p\u0159ij\u00edma\u010dky z matematiky!","item":"https:\/\/www.svey.cz\/jak-zvladnout-prijimacky-z-matematiky\/#breadcrumbitem"}]}]