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1 2 3 4
1x1=1 1x2=2 1x3=3 1x4=4
2x1=2 2x2=4 2x3=6 2x4=8
3x1=3 3x2=6 3x3=9 3x4=12
4x1=4 4x2=8 4x3=12 4x4=16
5x1=5 5x2=10 5x3=15 5x4=20
6x1=6 6x2=12 6x3=18 6x4=24
7x1=7 7x2=14 7x3=21 7x4=28
8x1=8 8x2=16 8x3=24 8x4=32
9x1=9 9x2=18 9x3=27 9x4=36
10x1=10 10x2=20 10x3=30 10x4=40
11x1=11 11x2=22 11x3=33 11x4=44
12x1=12 12x2=24 12x3=36 12x4=48
13x1=13 13x2=26 13x3=39 13x4=52
14x1=14 14x2=28 14x3=42 14x4=56
15x1=15 15x2=30 15x3=45 15x4=60
16x1=16 16x2=32 16x3=48 16x4=64
17x1=17 17x2=34 17x3=51 17x4=68
18x1=18 18x2=36 18x3=54 18x4=72
19x1=19 19x2=38 19x3=57 19x4=76
20x1=20 20x2=40 20x3=60 20x4=80
5 6 7 8
1x5=5 1x6=6 1x7=7 1x8=8
2x5=10 2x6=12 2x7=14 2x8=16
3x5=15 3x6=18 3x7=21 3x8=24
4x5=20 4x6=24 4x7=28 4x8=32
5x5=25 5x6=30 5x7=35 5x8=40
6x5=30 6x6=36 6x7=42 6x8=48
7x5=35 7x6=42 7x7=49 7x8=56
8x5=40 8x6=48 8x7=56 8x8=64
9x5=45 9x6=54 9x7=63 9x8=72
10x5=50 10x6=60 10x7=70 10x8=80
11x5=55 11x6=66 11x7=77 11x8=88
12x5=60 12x6=72 12x7=84 12x8=96
13x5=65 13x6=78 13x7=91 13x8=104
14x5=70 14x6=84 14x7=98 14x8=112
15x5=75 15x6=90 15x7=105 15x8=120
16x5=80 16x6=96 16x7=112 16x8=128
17x5=85 17x6=102 17x7=119 17x8=136
18x5=90 18x6=108 18x7=126 18x8=144
19x5=95 19x6=114 19x7=133 19x8=152
20x5=100 20x6=120 20x7=140 20x8=160
9 10
1x9=9 1x10=10
2x9=18 2x10=20
3x9=27 3x10=30
4x9=36 4x10=40
5x9=45 5x10=50
6x9=54 6x10=60
7x9=63 7x10=70
8x9=72 8x10=80
9x9=81 9x10=90
10x9=90 10x10=100
11x9=99 11x10=110
12x9=108 12x10=120
13x9=117 13x10=130
14x9=126 14x10=140
15x9=135 15x10=150
16x9=144 16x10=160
17x9=153 17x10=170
18x9=162 18x10=180
19x9=171 19x10=190
20x9=180 20x10=200