Question

  Chỉ cần ra kết quả ạ cần gấp

Answer 1

a: =>x-10/3=21/75=7/25

=>x=7/25+10/3=271/75

b: =>x=4/7:4/5=5/7

c: =>2/3-x=1/3

=>x=1/3

d: =>1-x=7/13

=>x=6/13