\(\frac{4}{9}\)X \(\frac{7}{5}:\frac{7}{9}\)= \(\frac{28}{45}:\frac{7}{9}=\frac{28}{45}\)X \(\frac{9}{7}=\frac{4}{5}\)
Mk nhanh nhất k mk nha
\(\frac{4}{9}x\frac{7}{5}:\frac{7}{9}=\frac{4}{9}x\frac{7}{5}x\frac{9}{7}=\frac{4x7x9}{9x5x7}=\frac{252}{315}=0,8\)
K nha mình nhanh nhất đó!
\(\frac{4}{9}\)x \(\frac{7}{9}\):\(\frac{7}{9}\)
= \(\frac{28}{49}\): \(\frac{7}{9}\)
= \(\frac{252}{343}\)
\(\frac{4}{9}\times\frac{7}{5}\div\frac{7}{9}\)
\(=\frac{28}{45}\div\frac{7}{9}\)
\(=\frac{28}{45}\times\frac{9}{7}\)
\(=\frac{28}{35}\)
\(\frac{4}{9}.\frac{7}{5}:\frac{7}{9}=\frac{28}{45}:\frac{7}{9}=\frac{28}{45}.\frac{9}{7}=\frac{4}{5}\)
K CHO MINH NHA