Вариант 6. Решите примеры:

1) 0 : 55 = 0 2) -85 : (+5) = -17 3) +4 * 13 = 52 4) (-5) * (-12) = 60 5) (+2) * (-44) = -88 6) 14 : (+7) = 2 7) +64 : (-32) = -2 8) -17 * 5 = -85 9) (-67) * 0 = 0 10) (+66) : (-1) = -66 11) 72 : (+72) = 1 12) +1 * 64 = 64