Question

×-1,65
———=13,4
10,25
Тендеукалаи
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Answer 1

Ответ:

$\frac{x - 1.65}{10.25} = 13.4 \\ x - 1.65 = 13.4 \times 10.25 \\ x - 1.65 = 137.35 \\ x = 137.65 + 1.65 \\ x = 139$