怎么简便就怎么算 7.8+4.5+12.2 15.27+13.27-3.27 15.82-(4.8怎么简便就怎么算7.8+4.5+12.215.27+13.27-3.2715.82-(4.82+3.79)19-4.26-5.644.62-1.41+5.38-1.59

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 20:56:31

怎么简便就怎么算 7.8+4.5+12.2 15.27+13.27-3.27 15.82-(4.8怎么简便就怎么算7.8+4.5+12.215.27+13.27-3.2715.82-(4.82+3.79)19-4.26-5.644.62-1.41+5.38-1.59
怎么简便就怎么算 7.8+4.5+12.2 15.27+13.27-3.27 15.82-(4.8
怎么简便就怎么算
7.8+4.5+12.2
15.27+13.27-3.27
15.82-(4.82+3.79)
19-4.26-5.64
4.62-1.41+5.38-1.59

怎么简便就怎么算 7.8+4.5+12.2 15.27+13.27-3.27 15.82-(4.8怎么简便就怎么算7.8+4.5+12.215.27+13.27-3.2715.82-(4.82+3.79)19-4.26-5.644.62-1.41+5.38-1.59
7.8+4.5+12.2
=7.8+12.2+4.5
=20+4.5
=24.5