Question

Вычислить -3/4+8.5(0.021÷0.01-2.51)=

Answer 1

$- 0.75 + 8.5(0.021 \div 0.01 - 2.51) = -4.235 \\ \\ 1) \: 0.021 \div 0.01 = 2.1 \\ 2) \: 2.1 - 2. 51 = - 0.41 \\ 3) \: 8.5 \times ( - 0.41) = - 3.485 \\ 4) - 0.75 + ( - 3.485) = - 4.235 \:$

Ответ: - 4.235