4x9=
5x6=
7x4=
10x4=
4x6=
2x9=
4x7=
10x9=
2x4=
6x7=
9x4=
6x3=
5x9=
9x8=
8x3=
8x9=
3x8=
7x7=
90
8
40
24
18
42
36
49
30
45
28
72