1.25乘67.875+25乘33.9375+1250乘0.053375的简便运算怎么列_数学解答

1.25乘67.875+25乘33.9375+1250乘0.053375的简便运算怎么列

人气：478 ℃　时间：2019-10-19 17:32:37

解答

1.25*67.875+25*33.9375+1250*0.053375
=8*1.25*67.875/8+4*25*33.9375+8*0.1250*10000*0.053375/8
=