Question

[Tran Thi Minh Thu]

So sanh:A) 47/57 va 66/76

B)-15/17va -16/19

Answer 1

[Soccer Kunkun]

A)ta thấy:

1-\(\dfrac{47}{57}\)=\(\dfrac{10}{57}\)

1-\(\dfrac{66}{76}\)=\(\dfrac{10}{76}\)

vì \(\dfrac{10}{57}\)>\(\dfrac{10}{76}\) nên \(\dfrac{47}{57}\)<\(\dfrac{66}{76}\)