Question

calcule a expressao 3×(1\2+3\5)​

Answer 1

Resposta:$\frac{33}{10}$

Explicação passo-a-passo:

$3(\frac{1}{2} +\frac{3}{5}) \\mmc (2,5)= \\2,5|2\\ 1,5|5\\ 1,1| 2x5=10\\3(\frac{5+6}{10} )= 3(\frac{11}{10} )= \frac{33}{10}$