2/3,3/4,4/5,12/11,9/10,8/7,6/5
La cau tra loi dung nho kich cho minh nhe!
Ta có : 2/3;4/5;6/5;9/10;3/4;12/11;8/7
2/3=0,66
4/5=0,80
6/5=1,20
9/10=0,90
3/4=0,75
12/11=1,09
8/7=1,14
Vì : 0,66<0,75<0,80<0,90<1,09<1,14<1,20
Nên : 2/3<3/4<4/5<9/10<12/11<8/7<6/5