49 - 7x7
8 X 9 = - 72
24 - 12 x 2
36 - 8 x 4 + 2 x 2 =
9 X 9 - 8 X 2 = - 65
57 - 5 x 5 + 8 x 4 =
40 - 12 x 5 - 5 x 4 =
132 - 49 x 2 + 17 x 2=
120 X 12 = - 1.440