24 - 8 x 3 =
32 - 8 x 4 =
40 - 8 x 5 =
64 - 8 x 8 =
72 - 8 x 9 =
80 - 8 x 10 =
18 - 9 x 2 =
27 - 9 x 3 =
36 - 9 x 4 =