$$3 x 9 - [ 32 - \{ 24 \div ( 8 - 4 - 2 ) \} ]$$
$3x_{9}-20$
$$3x_{9}-\left(32-\frac{24}{4-2}\right)$$
$$3x_{9}-\left(32-\frac{24}{2}\right)$$
$$3x_{9}-\left(32-12\right)$$
$$3x_{9}-20$$
Show Solution
Hide Solution