127*0.75-26*4分之3-百分之75简便计算
问题描述:
127*0.75-26*4分之3-百分之75简便计算
答
127×0.75-26×4分之3-75℅
=127×0.75-26×0.75-0.75
=(127-26-1)×0.75
=100×0.75
=75