Published at Monday, 14 September 2020. математика класс. By Henriette Bodin.
Vsegda chitayte formuly kak zakonchennyye mysli ili predlozheniya. Formuly vsegda dolzhny imet znak ravenstva. Takim obrazom, formula dlya rasstoyaniya NE rt. Formula dlya rasstoyaniya d = rt. Vsegda proveryayte pravil nost formul. Naprimer: raznitsa dvukh polnykh kvadratov mozhet vyglyadet kak 25-4. Ochevidno, znacheniye etogo chisla ravno 21, no yesli my poluchim eto zhe znacheniye s pomoshchyu formuly, my proverim formulu. Po formule 25-4 mozhno bylo by zapisat kak 5 ^ 2-2 ^ 2 i razlozhit na mnozhiteli kak (5 + 2) (5-2) = 7 (3) = 21. Takim obrazom, formula proverena. Znayte, kak oboznachat otvety po formule i chto oni oznachayut. Bud te konkretny pri chtenii formul. Poskol ku vse formuly ploshchadi nachinayutsya s A =, boleye polezno dobavit dopolnitelnuyu informatsiyu. V A = (pi) r ^ 2 luchshe vsego chitat eto tak: «Ploshchad kruga ravna pi, umnozhennomu na kvadrat radiusa kruga». Obyazatelno pomnite, chto ploshchad vsegda izmeryayetsya v kvadratnykh yedinitsakh.
Pora vozvrashchat sya v shkolu! Yesli vy uchenik starshey shkoly, to v etom godu vy, veroyatno, budete poseshchat uroki matematiki. A zanyatiya matematikoy obychno oznachayut, chto vam nuzhen kal kulyator. Pri pokupke kal kulyatora vy zakhotite prinyat vo vnimaniye ryad faktorov, vklyuchaya tsenu, funktsional nost, udobstvo ispol zovaniya i, vozmozhno, trebovaniya vashego uchitelya. Odnako vy takzhe dolzhny ubeditsya, chto prinyali vo vnimaniye yeshche odin vazhnyy faktor - standartizovannyye testy.
No chto, chert voz mi, proizoydet, yesli vy ne poymete, kak reshat matematicheskuyu zadachu v kibershkole? Yesli vy s pervogo raza ne poymete, chemu vas pytayetsya nauchit urok matematiki, eto mozhet stat ochen trudnym dlya ponimaniya. Vy mozhete prochitat urok 100 raz podryad i vse ravno ne ponyat, chto oni pytayutsya zastavit vas sdelat. I chto teper? Chto zh, vy vsegda mozhete poprobovat nayti drugoy veb-sayt s pomoshchyu Google, kotoryy ob"yasnyayet urok po-drugomu. Eto mozhet sil no sbit s tolku, yesli vy nedostatochno znayete ob uroke, chtoby nayti to, chto nuzhno, potomu chto vo mnogikh mestakh ispol zuyetsya drugoy slovarnyy zapas. Vy takzhe mozhete iskat video na YouTube, no togda vy stalkivayetes s toy zhe problemoy.
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