Question

1/2•3/5-1/3•2/5+3/2•7/3=
por favor me ajudem :(​

Answer 1

Resposta:

Explicação passo-a-passo:

= 1/2•3/5-1/3•2/5+3/2•7/3

= 3/10 - 2/15 + 21/6 (:3)/(:3)

= 3/10 - 2/15 + 7/2

Mmc (10,15,2)=30

= (3.3 - 2.2 + 15.7)/30

= (9-4+105)/30

= 110/30

= 11/3