2005*97.75+4010*1.125用简便方法计算写过程_数学解答

2005*97.75+4010*1.125用简便方法计算写过程

人气：405 ℃　时间：2020-05-12 05:34:46

解答

2005x97.75+4010x1.125
= 2005x97.75+2005x2x1.125
=2005x97.75+2005x2.25
=2005x(97.75+2.25)
=2005x100
=200500