Question

1.Viết số thích hợp vào chỗ trống

a..../5 = 18/30      b.3/12=..../36

Answer 1

`18/30=(18:6)/(30:6)=3/5`

`3/12= ( 3xx3)/(12xx3)=9/36`

Answer 2

\(a,\dfrac{3}{5}=\dfrac{18}{30}\\ b,\dfrac{3}{12}=\dfrac{9}{36}\)

Answer 3

a)\(\dfrac{3}{5}=\dfrac{18}{30}\)
b)\(\dfrac{3}{12}=\dfrac{9}{36}\)

Answer 4

a) 3/5 = 18/30

b) 3/12 =9/36