Найти значение выражения: (25/27 - 1/2) - (5/9 - 1/6) ( 3(целых) 7/8 - 3/20) + ( 5(целых) 1/20 - 2(целых) 1/4). Created by pchela6100. matematika-ru

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August 2021 1 15 Report

Найти значение выражения:
(25/27 - 1/2) - (5/9 - 1/6)
( 3(целых) 7/8 - 3/20) + ( 5(целых) 1/20 - 2(целых) 1/4)

Answers & Comments

Akkordionist 1) приводим к общему знаменателю (50/54 - 27/54) - (30/54 - 9/54) = 23/54 - 21/54 = 2/54 = 1/27

2) (31/8 - 3/20) + (101/20 - 9/4) = (155/40 - 6/40) + (101/20 - 45/20) =
149/40 - 56/20 = 149/40 - 112/40 = 37/40

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pchela6100 August 2022 | 0 Ответы

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