Viết theo mẫu: Mẫu: 1/2 = 50/100=50%
Giải thích
a,15=20100=20% b,34=75100=75% c,710=70100=70%
d,24100=1250=12% e,1150=22100=22% g,625=24100=24%
a,15=20100=20% b,34=75100=75% c,710=70100=70%
d,24100=1250=12% e,1150=22100=22% g,625=24100=24%