Question

Tính nhanh:

3/2-5/6+7/12-9/20+11/30-13/42+15/56-17/72

Nhanh hộ mình nhé, cảm ơn!

Answer 1

3/2-5/6+7/12-9/20+11/30-13/42+15/56-17/72

=1.5-0.8(3)+0.58(3)-0.3(6)-0.3(095238)+0.267(857142)-0236(1)

=0.(8)