Tìm x: a) 25: x = 16: 10 b) 210: x = 14,92 - 6,52

* Hướng dẫn giải

a)

$\begin{array}{l}25:x=16:10\\ 25:x=1,6\\ x=25:1,6\\ x=15,625\end{array}$

b)

$\begin{array}{l}210:x=14,92-6,52\\ 210:x=8,4\\ x=210:8,4\\ x=25\end{array}$