Предмет: Математика, автор: натахару

НАЙДИТЕ :

1) 5/7 ОТ 14/15

2) 0,8 от 120

3) 0,3 от 0,6

4)20% от 13

5)45% от 1 1/9

Ответы

Автор ответа: Christinass
0
1) 14/15 * 5/7 = 2/3
2) 120 * 0,8 = 96
3) 0,6 * 0,3 = 0,18
4) 13 * 0,2 = 2.6 или 13:100 * 20 = 2,6
5)1 1/9 это 10/9, 45% это 45/100, получаем 10/9 * 45/100 = 5/10 = 0.5
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