Question

Tính A) 2/3 + 5/12 - 3/5 B) 3/4 x 4/7 - 5/14

Answer 1

a: =40/60+25/60-36/60=29/60

b: =3/7-5/14=1/14

Answer 2

a/=8/12+5/12=13/12

b/=3/7-5/14=6/14-5/14=1/14

Answer 3

a) 2/3 + 5/12 - 3/5 = 40/60 + 25/60 - 36/60 = 29/60
b) 3/4 x 4/7 - 5/14 = 3/7 - 5/14 = 6/14 - 5/14 = 1/14

Answer 4

A) 29/60

B) 1/14

 

Answer 5

a. = 40/60 + 25/60 - 36/60 = 29/60

b. = 3/7- 5/14 = 1/14