怎么简算啊
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 19:25:22
![怎么简算啊](/uploads/image/z/240866-26-6.jpg?t=%E6%80%8E%E4%B9%88%E7%AE%80%E7%AE%97%E5%95%8A)
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