简便计算超急!33.28-19.24-20.59+16.7280.5+80.7+79.8+78.9+80.8

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/12 04:38:54

简便计算超急!33.28-19.24-20.59+16.7280.5+80.7+79.8+78.9+80.8
简便计算超急!
33.28-19.24-20.59+16.72
80.5+80.7+79.8+78.9+80.8

简便计算超急!33.28-19.24-20.59+16.7280.5+80.7+79.8+78.9+80.8
33.28-19.24-20.59+16.72=(33.28+16.72)-(19.24+20.59)=10
80.5+80.7+79.8+78.9+80.8=80*5+0.5+0.7-0.2-1.1+0.8=400.7

9 4 75 72 80 5+...

33.28+16.72-(19.24+20.59)
80+0.5+80+0.7+80-0.2+80-0.1+80+0.8