\(\frac{9}{9}+\frac{9}{9}=1+1=2\)
Tích tớ nha
\(\frac{9}{9}+\frac{9}{9}=\frac{9+9}{9}=\frac{18}{9}=2\)
ủng hộ nha
\(\frac{9}{9}+\frac{9}{9}=\frac{18}{9}=\frac{2}{1}=2.\)
\(\frac{9}{9}+\frac{9}{9}=1+1\)
\(=2\)
k mik di nha cac ban yeu quy
\(\frac{9}{9}+\frac{9}{9}=1+1=2\)
\(\frac{9}{9}+\frac{9}{9}\)
\(=1+1\)
\(=2\)