Question

найди значение выражение 6/7*(-0,76)-2,74*6/7

Answer 1

$\frac{6}{7} \times ( - 0.76) - 2.74 \times \frac{6}{7} = \\ \\ = \frac{6}{7} \times ( - \frac{19}{25} ) - \frac{137}{50} \times \frac{6}{7} = \\ \\ = - \frac{144}{175} - \frac{137}{25} \times \frac{3}{7} = \\ \\ = - \frac{114}{175} - \frac{411}{175} = - 3$
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Answer 2

6/7*(-0,76)-2,74*6/7=6/7(-0,76-2,74)=6/7(-3,5)=-3

Ответ: -3