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The Substitute Teacher    -    a Multiplication Table


X
 		 0 1 2 3 4 5 6 7 8 9 10 11 12
0
 		 0 0 0 0 0 0 0 0 0 0 0 0 0
1
 		 0 1 2 3 4 5 6 7 8 9 10 11 12
2
 		 0 2 4 6 8 10 12 14 16 18 20 22 24
3
 		 0 3 6 9 12 15 18 21 24 27 30 33 36
4
 		 0 4 8 12 16 20 24 28 32 36 40 44 48
5
 		 0 5 10 15 20 25 30 35 40 45 50 55 60
6
 		 0 6 12 18 24 30 36 42 48 54 60 66 72
7
 		 0 7 14 21 28 35 42 49 56 63 70 77 84
8
 		 0 8 16 24 32 40 48 56 64 72 80 88 96
9
 		 0 9 18 27 36 45 54 63 72 81 90 99 108
10
 		 0 10 20 30 40 50 60 70 80 90 100 110 120
11
 		 0 11 22 33 44 55 66 77 88 99 110 121 132
12
 		 0 12 24 36 48 60 72 84 96 108 120 132 144