x : 4/7 = 9/10
x = 9/10 x 4/7
x = 18/35
cho mình xin
\(x:\frac{4}{7}=\frac{9}{10}\Rightarrow x=\frac{9}{10}.\frac{4}{7}=\frac{18}{35}\)
\(x:\frac{4}{7}=\frac{9}{10}\)
\(x=\frac{9}{10}\cdot\frac{4}{7}\)
\(x=\frac{18}{35}\)
x = 9/10 * 4/7
x = 36/70
Rút gọn:18/35
đúng k nhé
x : 4/7 = 9/10
x = 9/10 x 4/7
x = 18/35
cho mình xin
x : 4/7 = 9/10
x = 9/10 x 4/7
x = 18/35
cho mình xin