(+1.2)+(-0.4)+(+1)+(0)+(-1.1)+(-0.5)+(+0.3)+(0.5)+(-0.6)+(-0.9)=?

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/25 12:38:08

(+1.2)+(-0.4)+(+1)+(0)+(-1.1)+(-0.5)+(+0.3)+(0.5)+(-0.6)+(-0.9)=?

-0.5