Предмет: Математика, автор: fuuffuhd

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Автор ответа: kosjesrb
0

Ответ:

2 \frac{41}{50}

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Автор ответа: iramazurk
1
1) 6 3/11 + 1 8/11 = 7 11/11 = 8
2) 20 : 8 = 20/8 = 5/2 = 2 1/2
3) 7 2/5 - 5,8 = 7 2/5 - 5 8/10 =6 7/5 - 5 4/5 = 1 3/5
4) 1 3/5 : 5 = 8/5 * 1/5 = 8/25
5) 2 1/2 + 8/25 = 2 25/50 + 16/50 = 2 41/50
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