2X
1X2
1X2=2
1X3
1X3
1X4=?
1x4=4
1X5
1X5=5
1X6=?
1X6-=6
1X7
1X7=7
1X8=?
1X8=8
2X2
2X2=4
2X3=?
2x3=6
2x4=?
2X4=8
2x5=?
2x5=10
2x6=?
2x6=12
2x7=?
2x7=14
2x8=?
16
2x3
2x3=6
3x3=?
3x3=9
4x3=?
4x3=12
3x5=15
3x5=15
6x3=?
6x3=18
3x7=?
3x7=21
3x8=?
3x8=24
2x4=?
2x4=8
3x4
3x4=12
4x4=?
4x4=16\
5x4=?
5x4=20
6x4=?
6x4=24
7x4=?
7x4=28
4x8=?
4x8=32
2x6=?
2x6=12
3x6=?
3x6=18
4x6=?
4x6=24
5x5=?
5X5=25
5x6=?
5x6=30
7x5=?
7x5=35
5x8=?
5x8=40