matematika 5-sinf @imtixonuzb

telegram: @ imtixonuzb admin: @imtixonuzb_admin 2021 otveti na ekzamen obshaya srednyaya shkola na 2020-2021 uchebniy god dlya uchashixsya 5 klassa samostoyatelno po matematike telegram: @ imtixonuzb admin: @imtixonuzb_admin matematika 5 klass zadanie № 1 variant № 1 1. naydite znachenie virajeniya: (7 2 : 200- 0,4 2 ): 0,5 3 (49:200-0,16):0,125 (0,245-0,16):0,125 (0,085):0.125= 0,68 2. reshite uravnenie: (x-375):18=2064:48 (x-375):18=43 x-375=774 x=774+375 x=1149 3. na olimpiade po matematike 32% uchastnikov poluchili gramoti. skolko uchashixsya uchastvovalo na olimpiade po matematike, esli gramoti poluchili 416 uchashixsya? 32% - 416 chel. 100% - x chel x= 100*416:32=1300 otvet: 1300 uchashixsya uchastvovalo na olimpiade po matematike 4. virazite v tonnax: 450 kg, 28 ts 5 kg, 3 t 4 ts 25...

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