Câu trả lời:
a) \(\dfrac{67}{12}\) b) \(\dfrac{47}{44}\)
a) \(\dfrac{67}{12}\) b) \(\dfrac{47}{44}\)
2 màu đen
5.22+(x+3)=52
20+(x+3)=25
x+3=25-20
x+3=5
x=5-3
x=2
3000 m
18 ttttt . ok ,đảm bảo đúng sos![]()

18 t