102×33÷66巧算

问题描述:

102×33÷66巧算

(100+2)*33/66=50+1

102x33/66
=3x34x33/2x33
=3x17
=51

(51+51)×33÷66=51

102*33/33/2=51

102×33÷66
=102×(33÷66)
=102×0.5
=51

102X33÷(33×2)=102×(33÷33)÷2=51 不好意思刚写错了