怎么简算啊

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 10:26:07
怎么简算啊

怎么简算啊
怎么简算啊
 

怎么简算啊

5.6*0.375+3\8*5.4-0.375*0.9
=0.375*(5.6+5.4-0.9)
=0.375*10.1
=0375*(10+0.1)
=0.375*10+0.375*0.1
=3.75+0.0375
=3.7875

3/8=0.375,只要将0.375提出即可

0.375=3/8
式子=3/8*(5.6+5.4-0.9)
=3/8*10.1
=3/8(10+0.1)
=3.75+0.0375
=3.7875

3/8=0.375 (5.6+5.4-0.9)×0.375=3.7875

这个0.375就等于3/8,把0.375这个因子提出来,原式=3/8*(5.6+5.4-0.9)=0.375*10.1=3.7875