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Ответ

Автор - millka000054

5/9 × х = 1 7/18

х = 1 7/18 ÷ 5/9

х = 25/18 × 9/5

х = 5/2 = 2,5.

Ответ : х = 2,5.

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Ответ

Автор - Olga8128

Ответ: x = 2.5

Решение:

frac{5}{9}x = 1frac{7}{18} = frac{1*18+7}{18} = frac{25}{18}\\x = frac{25}{18} : frac{5}{9} = frac{25*9}{18*5} = frac{5*5*9}{9*2*5} = frac{5}{2}= 2frac{1}{2} = 2. 5 .

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