[22.5+(3/5/3+1.8-12.1*5/11)]*40%

来源：学生作业帮助网 编辑：作业帮 时间：2024/04/26 15:28:59

[22.5+(3/5/3+1.8-12.1*5/11)]*40%
[22.5+(3/5/3+1.8-12.1*5/11)]*40%

[22.5+(3/5/3+1.8-12.1*5/11)]*40%
结果为：7.6