Question

Tìm x: A) X:15/26=2/5, B) 4/5 nhân x= 10/11:3/4

Answer 1

X:15/26=2/5

X = 2/5 x 15/26

X = 3/13

 

4/5 nhân x= 10/11:3/4

4/5 x X = 10/11 x 4/3

4/5 x X = 40/33

X = 40/33 : 4/5

X = 50/33