Question

Calculează:

$2 \frac{3}{7} + 3 - 4\frac{1}{7}$
$5 \frac{4}{7} - \frac{11}{7}$
$\frac{9}{5} + 1 \frac{2}{5} - \frac{11}{5}$
$\frac{3}{5} - \frac{8}{5} + \frac{10}{5}$
Vă roooog! Dau 5 stele+coroană+inima! ​

Answer 1

Răspuns:

Explicație pas cu pas:

17/7+3-29/7=1/7(17-29)+3=-12/7+21/7=9/7

39/7-11/7=28/7=4

9/5+7/5-11/5=1/5(9+7-11)=5/5=1

1/5(3-8+10)=5/5=1