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