$$-83 ÷ 1 = -83$$
$$+78 ÷ (+6) = 13$$
$$0 × (-60) = 0$$
$$(-78) + 78 = 0$$
$$(+2) × (-24) = -48$$
$$-6 - (+65) = -6 - 65 = -71$$
$$(-64) + 0 = -64$$
$$-11 × 9 = -99$$
$$(-72) ÷ (-36) = 2$$
$$4 - (+46) = 4 - 46 = -42$$