Question

Rút Gọn

6.4+6.7/6.5+12

Answer 1

\(\frac{6.4+6.7}{6.5+12}=\frac{4+1.7}{1.5+2}=\frac{4+7}{5+2}=\frac{11}{7}\)

Answer 2

\(\frac{6\cdot4+6\cdot7}{6\cdot5+12}\)

\(=\frac{6\left(4+7\right)}{6\cdot5+6\cdot2}\)

\(=\frac{6\left(4+7\right)}{6\left(5+2\right)}\)

\(=\frac{11}{7}\)