×,1,2,3,4,5,6,7,8,9
1,1,2,3,4,5,6,7,8,9
2,2,4,6,8,10,12,14,16,18
3,3,6,9,12,15,18,21,24,27
4,4,8,12,16,20,24,28,32,36
5,5,10,15,20,25,30,35,40,45
6,6,12,18,24,30,36,42,48,54
7,7,14,21,28,35,42,49,56,63
8,8,16,24,32,40,48,56,64,72
9,9,18,27,36,45,54,63,72,81