Question

Calcule os seguintes produtos:

a) (-5/12)•(6/7)

b)(-2,2)•(-25/11)​

Answer 1

Explicação passo-a-passo:

.

$- \dfrac{5}{2} \times \dfrac{6}{7}$

$- \dfrac{30 \div 2}{14 \div 2}$

$- \dfrac{15}{7}$

.

$- 2.2 \times - \dfrac{25}{11}$

$- \dfrac{22 \div 2}{10 \div 2} \times - \dfrac{25}{11}$

$- \dfrac{11}{5} \times - \dfrac{25}{11}$

$\dfrac{275}{55}$

$5$