Question

((-31,7:63,4-23,4:(-1,17)):(-0,1)===​

Answer 1

Ответ:

Пошаговое объяснение:

Answer 2

Пошаговое объяснение:

$(( - 31.7 \div 63.4 - 23.4 \div ( - 1.17)) \div ( - 0.1) = \frac{ - \frac{1}{2} - ( - 20) }{ - 0.1} = \frac{ - \frac{1}{2} + \frac{40}{2} }{ - 0.1} = \frac{39}{2 \times ( - 0.1)} = \frac{39}{ - 0.2} = \frac{390}{ - 2 } = - 195$

Answer 3

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