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Автор - JasmineStar

Найдите от числа 28:
1) 1/2 2) 3/7 3)9/14 4)19/28
Решите плиз! Заранее спасибо.
Ps: это дроби.

Ответ

Автор - ksyu6ka04mailru

1) 28×1/2= 14

2) 28×3/7= 12

3) 28×9/14 = 18

4) 28×19/28= 19

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