简便运算:35*48+7.5*650+2.7*350
问题描述:
简便运算:35*48+7.5*650+2.7*350
答
35*48+7.5*650+2.7*350
=35*48+27*35+75*65
=35*(48+27)+75*65
=35*65+75+65
=(35+75)*65
=110*65
=7150