Question

Calculați, folosind factorul comun:

a)
$\frac{1}{77} \times ( - \frac{2}{3} ) + \frac{11}{6} \times \frac{1}{77}$
b)
$( - 0.3) \times \frac{5}{6} + \frac{7}{18} \times 0.3 - 0.3 \times \frac{1}{45}$
c)
$2 \frac{2}{5} \times ( + \frac{7}{3} ) - ( - \frac{5}{6} ) \times2 \frac{2}{5}$
d)
$- \frac{2}{9} \times ( - 4 \frac{2}{3} ) - \frac{2}{9} \times ( - \frac{2}{5}) + \frac{2}{9} \times ( - 3 \frac{2}{5})$
Vă rog e urgent!​

Answer 1

Sper ca te-am ajutat :) ai in poza rezolvarea