Вычислите: 1)2\7+3\4; 2)5\6-4\9; 3) 3 1\8+2 5\6; 4)5 11\12-3 7\18...

ksyushabfebiv @ksyushabfebiv

July 2022 1 2 Report

Вычислите:
1)2\7+3\4; 2)5\6-4\9; 3) 3 1\8+2 5\6; 4)5 11\12-3 7\18.

Answers & Comments

svetazuna 1) 2/7+3/4=8/28+21/28=29/28 = 1 1/28,
2) 5/6-4/9=15/18-8/18 = 7/18,
3) 3 1/8 + 2 5/6 = 25/8+17/6=75/24+68/24=143/24 = 5 23/24,
4) 5 11/12 - 3 7/18 = 71/12-61/18=213/36-122/36=91/36 = 2 19/36

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