1) 24 * 24 *( - 2 ) - 12 * 2 =
576 * ( -2) - 24 =
-1152 - 24 = -1176
2) -2 * (18 *18 + 1 ) + -6 * (-6 * -6 - 2) =
-2 * 325 - 6 * 34 =
-650 - 204 = -854
3) 6-4 * 16 + 2 - 2304 = -2274
4) 25 +3 * (-14) - 25 * (-11)=
-392 - 275 = - 667
