Question

Bài 1: Tính :

a) 2/5 + 7/10 = ............................................................................................  b) 6/7 - 5/8 = …………………………………………………………………… c) 3/5 x 15/8 =.............................................................................................  d) 1/4 : 3/7 = …………………………………………………………….............

Answer 1

Answer 2

a) = 11/10

b) = 13/56

c) = 9/8

d) = 7/12