vd nhá ; 1/2. , 2 la mẫu 1 là tử và dấu gạch ngang la /

bang cai dau / nay 

hoi ngu qua

phải nấu chín hạt gạo mới = 1 hạt cơm

k mk nha

1 hat gao

7 + 7 + 7 = 7 x 3 = 21

Bạn tk cho tớ nha , ai tk tớ tớ tk lại

21 nha ban

2 + 4 = 6

k mình nhé

2+4=6

kb nha

mk nhé

1957689

1689342 + 268347 = 1957689

1 x 1 = 1 k mình nha tuy không nhanh !

1 x 1 = 1 nhé

0 x 0 = 0 đó bạn ! Khi bạn nhân 0 với bất kỳ số nào thi cũng bằng 0 thôi bạn ! k mình nha . 

0 x 0 = 0

k mk mk k lại

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5 + 5

= 5 x 2

= 10

k mk mk k lại

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5+5=10

ai tk minh

minh tk lai

123 + 000 = 123

123+000=123