Question

Resolva as operações envolvendo frações .4/5-2/7+(5/8.8:2)-5

Answer 1

Resposta:

2,58 ou 181/70

Explicação passo-a-passo:

4/5-2/7+(5/8.8:2)-5

4/5-2/7+40/16-5

112/560-160/560+1400/560-2800/560

-48/560-1400/560

1448/560

1448/560 = 2,58 ou 181/70