1/2+1/3x1/9=1/2+1/27=27/54+2/54=29/54
k nha mình nhanh nhất
\(\frac{1}{2}+\frac{1}{3}x\frac{1}{9}\)
\(=\frac{1}{2}+\frac{1}{27}\)
\(=\frac{27}{54}+\frac{2}{54}=\frac{29}{54}\)
\(\frac{1}{2}+\frac{1}{3}.\frac{1}{9}=\frac{1}{2}+\frac{1}{27}\)
\(=\frac{27+2}{54}=\frac{29}{54}\)
tíc nha, mình đg âm điểm