乘法口诀口算练习题

1x6 =5x1 =5x2 =1x4 =3x1 =4x2 =1x5 =3x2 =2x2 二2x3 =5x6 二5x1 =1x3 二6x4 =5x3 =5x3 =4x5 二5x6 =4x6 =1x3 =