Question

10:2,5-(4,42-43,23):4,5 какой ответ?

Answer 1

$4 - ( - 38.81) \div \frac{9}{2} = \\ = 4 + 38.81 \times \frac{2}{9} = 4 + \frac{3881}{100} \times \frac{2}{9} = 4 + \frac{3881}{50} \times \frac{1}{9} = 4 + \frac{3881}{450} = 12 \frac{281}{450}$

Answer 2

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