\(\frac{2}{9}+\frac{5}{5}=\frac{2}{9}+1=\frac{11}{9}\)
bằng \(\frac{11}{9}\)nha bạn
úm ba la xì bùa
\(\frac{2}{9}+\frac{6-1}{5}=\frac{2}{9}+\frac{5}{5}=\frac{10}{45}+\frac{45}{45}=\frac{55}{45}=\frac{11}{9}\)
\(\frac{2}{9}\)+ \(\frac{5}{5}\)= \(\frac{2}{9}\)+ 1 = \(\frac{11}{9}\)
\(\frac{11}{9}\)nha ban
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