Question

Chứng minh rằng : 7/9 = 77/99 = 777/999

Answer 1

77/99=77:11/99:11=7/9

777/999=777:111/999:111=7/9

Vậy 7/9=77/99=777/999

Answer 2

77/99=77:11/99:11=7/9

777/999=777:111/999:111=7/9

Vậy 7/9=77/99=777/999

Answer 3

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

Answer 4

= 777/999

t.i.c.k cho mình nha

b trên 10 sp k giúp mình

Answer 5

777/999 bạn k cho mình nha