$$-10+5-(1-17)+(-5)-(-12)=$$
$18$
$$-5-\left(1-17\right)-5-\left(-12\right)$$
$$-5-\left(-16\right)-5-\left(-12\right)$$
$$-5+16-5-\left(-12\right)$$
$$11-5-\left(-12\right)$$
$$6-\left(-12\right)$$
$$6+12$$
$$18$$
Show Solution
Hide Solution
$2\times 3^{2}$
