Question

Answer 1

a: =>x=2/7:2/3=7/3

b: =>x=2/5:3/5=2/3

c: =>x=13/7x8/13=8/7

d: =>x=3/2:7/4=3/2x4/7=6/7

Answer 2

a,2/7:2/3=3/7

b,2/5:3/5=2/3

c,13/7x8/13

d,3/2:7/4=6/7

 

Answer 3

a: =>x=2/7:2/3=3/7

b: =>x=2/5:3/5=2/3

c: =>x=13/7x8/13=8/7

d: =>x=3/2:7/4=3/2x4/7=6/7

Thế mới đúng bạn nhé!😀😀😀