752×1.25 4.45×12.5 0.035×125用简便方法怎么算

2024-11-13 04:20:00
推荐回答(1个)
回答1:

原式
=752x1.25+4.45x12.5+0.035x125
=752x1.25+44.5x1.25+3.5x1.25
=(752+44.5+3.5)x1.25
=800x1.25
=1000