解:175x103-175x32-175
=175x[103-(32+1)]
=175x(100-30)
=175x100-175x30
=17500-5250
=12250
解,原式=175×(103-32-1)
=175×70
=12250
175X103-175X32-175
=175X103-175X32-175X1
=175X(103-32-1)
=175X70
=12250
175×103-175×32-175
=175×(103-32-1)
=175×(103-3-30)
=175×70
=12250