Question

$$18-10 \times (4+(12-))/18$$

Answer

18-(160-)/18

Solution


Remove parentheses.
\[18-10\times \frac{4+12-}{18}\]
Simplify  \(4+12\)  to  \(16\).
\[18-10\times \frac{16-}{18}\]
Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
\[18-\frac{10\times 16-}{18}\]
Simplify  \(10\times 16\)  to  \(160\).
\[18-\frac{160-}{18}\]