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

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/12 17:11:36

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

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