Предмет: Математика, автор: DIMAZVER1980

ПОМОГИТЕ ПОЖАЛУЙСТО!!! ДАЮ 20 БАЛЛОВ
пример 1. 1(целая)2/5+0,52
пример 2. 4/7-0,4
пример 3. 2,5:1(целая)2/3
пример 4. 1(целая)1/15+1,15
пример 5. 4(целых)11/16-2,729
пример 6. 1(целая)2/7*3,5

Ответы

Автор ответа: Vanushaa
0
1) 23/25
2) 6/35
3) 5/3
4) 73/60
5) 21/1000
6) 1
Автор ответа: makukabanoki
3

1. 1 2/5 + 0,52 = 1 2/5 + 13/25 = 1 18/25

2. 4/7 - 0,4 = 4/7 - 2/5 = 6/35

3. 2,5 : 1 2/3 = 5/2 * 3/5 = 3/2 = 1 1/2

4. 1 1/15 + 1,15 = 1 1/15 + 1 3/20 = 2 13/60

5. 4 11/16 - 2,729 = 1 1917/2000

6. 1 2/7 * 3,5 = 4 1/2

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