77/99=77:11/99:11=7/9
777/999=777:111/999:111=7/9
Vậy 7/9=77/99=777/999
77/99=77:11/99:11=7/9
777/999=777:111/999:111=7/9
Vậy 7/9=77/99=777/999
77/99=77:11/99:11=7/9
777/999=777:111/999:111=7/9
Vì 7/9=7/9=7/9
Vậy 7/9=77/99=777/999
= 777/999
t.i.c.k cho mình nha
b trên 10 sp k giúp mình
777/999 bạn k cho mình nha