巧算157乘156分之33
问题描述:
巧算157乘156分之33
答
156分之5183
答
=(156+1)×33/156
=156×33/156+33/156
=33+33/156
=33又11/52
答
157×33/156
=(156+1)×33/156
=156×33/156+1×33/156
=33+33/156
=33又33/156
=33又11/52
答
巧算157乘156分之33
157*33/156
=(156+1)*33/156
=156*33/156+1*33/156
=33+33/156
=33又11/52