简便计算:725乘1.25加4.45乘12.5加0.035乘125要用最简便的

2024-11-13 03:56:15
推荐回答(2个)
回答(1):

752*1.25+4.45*12.5+0.035*125
=752*1.25+4.45*10*1.25+0.035*100*1.25
=752*1.25+44.5*1.25+3.5*1.25
=1.25*(752+44.5+3.5)
=1.25*800
=1000

回答(2):

提出125