Question

O valor dessa expressão 2/3+5/7x7/5

Answer 1

Resposta:

$\frac{35}{21}$

Explicação passo-a-passo:

2/3+5/7x7/5  => $\frac{2}{3}+ \frac{5}{7}.\frac{7}{5} => \frac{2}{3}+ \frac{35}{35} => \frac{2.35 + 35.3}{105}=> \frac{70 + 105}{105}=> \frac{175:5}{105:5}= \frac{35}{21}$