Question

помогите пожалуйста.номер 615

Answer 1

1)
$- 1.7 times (25.5 times 4) = \ = - 1.7 times 102 = - 173.4$

2)
$- 1.2 times (26.6 times 1.5) = \ = - 1.2 times 39.9 = - 47.88$

3)
$( - 16 times 14.5) times 2.9 = \ = - 232 times 2.9 = - 672.8$

4)
$- 0.5 times ( - 14) times 12.5 times 0.6 = \ = 7 times 12.5 times 0.6 = \ = 87.5 times 0.6 = \ = 52.5$

Answer 2

спасибо!

Answer 3

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