1、1 x 1 = 1 x 2 = 2 x 2 = 1 x 3 = 2 x 3 = 3 x 3 = 1 x 4 = 2 x 4 = 3 x 4 = 4 x 4 = 1 x 5 = 2 x 5 = 3 x 5 = 4 x 5 = 5 x 5 = 1 x 6 = 2 x 6 = 3 x 6 = 4 x 6 = 5 x 6 = 6 x 6 = 1 x 7 = 2 x 7 = 3 x 7 = 4 x 7 = 5 x 7 = 6 x 7 = 7 x 7 = 1 x 8 = 2 x 8 = 3 x 8 = 4 x 8 = 5 x 8 = 6 x 8 = 7 x 8 = 8 x 8 = 1 x 9 = 2 x
2、9 = 3 x 9 = 4 x 9 = 5 x 9 = 6 x 9 = 7 x 9 = 8 x 9 = 9 x 9 =1 x 1 = 1 x 2 = 2 x 2 = 1 x 3 = 2 x 3 = 3 x 3 = 1 x 4 = 2 x 4 = 3 x 4 = 4 x 4 = 1 x 5 = 2 x 5 = 3 x 5 = 4 x 5 = 5 x 5 = 1 x 6 = 2 x 6 = 3 x 6 = 4 x 6 = 5 x 6 = 6 x 6 = 1 x 7 = 2 x 7 = 3 x 7 = 4 x 7 = 5 x 7 = 6 x 7 = 7 x 7 = 1 x 8 = 2 x 8 = 3
3、 x 8 = 4 x 8 = 5 x 8 = 6 x 8 = 7 x 8 = 8 x 8 = 1 x 9 = 2 x 9 = 3 x 9 = 4 x 9 = 5 x 9 = 6 x 9 = 7 x 9 = 8 x 9 = 9 x 9 =1 x 9 = 2 x 9 = 3 x 9 = 4 x 9 = 5 x 9 = 6 x 9 = 7 x 9 = 8 x 9 = 9 x 9 =1 x 8 = 2 x 8 = 3 x 8 = 4 x 8 = 5 x 8 = 6 x 8 = 7 x 8 = 8 x 8 = 1 x 7 = 2 x 7 = 3 x 7 = 4 x 7 = 5 x 7 = 6 x 7 =
4、 7 x 7 =1 x 6 = 2 x 6 = 3 x 6 = 4 x 6 = 5 x 6 = 6 x 6 =1 x 5 = 2 x 5 = 3 x 5 = 4 x 5 = 5 x 5 =1 x 4 = 2 x 4 = 3 x 4 = 4 x 4 = 1 x 3 = 2 x 3 = 3 x 3 =1 x 2 = 2 x 2 = 1 x 1 = 1 x 9 = 2 x 9 = 3 x 9 = 4 x 9 = 5 x 9 = 6 x 9 = 7 x 9 = 8 x 9 = 9 x 9 =1 x 8 = 2 x 8 = 3 x 8 = 4 x 8 = 5 x 8 = 6 x 8 = 7 x 8 =
5、8 x 8 = 1 x 7 = 2 x 7 = 3 x 7 = 4 x 7 = 5 x 7 = 6 x 7 = 7 x 7 =1 x 6 = 2 x 6 = 3 x 6 = 4 x 6 = 5 x 6 = 6 x 6 =1 x 5 = 2 x 5 = 3 x 5 = 4 x 5 = 5 x 5 =1 x 4 = 2 x 4 = 3 x 4 = 4 x 4 = 1 x 3 = 2 x 3 = 3 x 3 =1 x 2 = 2 x 2 = 1 x 1 = 1 x 1 = 2 x 1 = 2 x 2 = 3 x 1 = 3 x 2 = 3 x 3 = 4 x 1 = 4 x 2 = 4 x 3 =
6、4 x 4 = 5 x 1 = 5 x 2 = 5 x 3 = 5 x 4 = 5 x 5 = 6 x 1 = 6 x 2 = 6 x 3 = 6 x 4 = 6 x 5 = 6 x 6 = 7 x 1 = 7 x 2 = 7 x 3 = 7 x 4 = 7 x 5 = 7 x 6 = 7 x 7 = 8 x 1 = 8 x 2 = 8 x 3 = 8 x 4 = 8 x 5 = 8 x 6 = 8 x 7 = 8 x 8 = 9 x 1 = 9 x 2 = 9 x 3 = 9 x 4 = 9 x 5 = 9 x 6 = 9 x 7 = 9 x 8 = 9 x 9 =1 x 1 = 2 x 1
7、 = 2 x 2 = 3 x 1 = 3 x 2 = 3 x 3 = 4 x 1 = 4 x 2 = 4 x 3 = 4 x 4 = 5 x 1 = 5 x 2 = 5 x 3 = 5 x 4 = 5 x 5 = 6 x 1 = 6 x 2 = 6 x 3 = 6 x 4 = 6 x 5 = 6 x 6 = 7 x 1 = 7 x 2 = 7 x 3 = 7 x 4 = 7 x 5 = 7 x 6 = 7 x 7 = 8 x 1 = 8 x 2 = 8 x 3 = 8 x 4 = 8 x 5 = 8 x 6 = 8 x 7 = 8 x 8 = 9 x 1 = 9 x 2 = 9 x 3 = 9
8、 x 4 = 9 x 5 = 9 x 6 = 9 x 7 = 9 x 8 = 9 x 9 =9 x 1 = 9 x 2 = 9 x 3 = 9 x 4 = 9 x 5 = 9 x 6 = 9 x 7 = 9 x 8 = 9 x 9 =8 x 1 = 8 x 2 = 8 x 3 = 8 x 4 = 8 x 5 = 8 x 6 = 8 x 7 = 8 x 8 = 7 x 1 = 7 x 2 = 7 x 3 = 7 x 4 = 7 x 5 = 7 x 6 = 7 x 7 = 6 x 1 = 6 x 2 = 6 x 3 = 6 x 4 = 6 x 5 = 6 x 6 = 5 x 1 = 5 x 2 =
9、 5 x 3 = 5 x 4 = 5 x 5 = 4 x 1 = 4 x 2 = 4 x 3 = 4 x 4 =3 x 1 = 3 x 2 = 3 x 3 =2 x 1 = 2 x 2 =1 x 1 =9 x 1 = 9 x 2 = 9 x 3 = 9 x 4 = 9 x 5 = 9 x 6 = 9 x 7 = 9 x 8 = 9 x 9 =8 x 1 = 8 x 2 = 8 x 3 = 8 x 4 = 8 x 5 = 8 x 6 = 8 x 7 = 8 x 8 = 7 x 1 = 7 x 2 = 7 x 3 = 7 x 4 = 7 x 5 = 7 x 6 = 7 x 7 = 6 x 1 = 6 x 2 = 6 x 3 = 6 x 4 = 6 x 5 = 6 x 6 = 5 x 1 = 5 x 2 = 5 x 3 = 5 x 4 = 5 x 5 = 4 x 1 = 4 x 2 = 4 x 3 = 4 x 4 =3 x 1 = 3 x 2 = 3 x 3 =2 x 1 = 2 x 2 =1 x 1 =
