九九乘法100道练习题

4 X 8=8X 2=4 X 7=8X 3=4 X 6=3X 9=8X 4 =3X 8=9 X 6 =9X 7=9X 9=3X 6 =2 X 3 =2X 2=2X 3=2X 4 =5X 6=5X 7=