Question

Resolva a expressão numérica: (1/2 - 2/5) x (4/6 : 7/10) =​

Answer 1

Resposta:

2/21

Explicação passo-a-passo:

1/2=5/10

2/54/10

5/10-4/10=1/10

4/6:7/10=20/21

1/10.20/21=2/21