(-9)-(-2)+(-7)-(+5)-(-4)写成省略加号形式
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/18 08:48:33
(-9)-(-2)+(-7)-(+5)-(-4)写成省略加号形式(-9)-(-2)+(-7)-(+5)-(-4)写成省略加号形式(-9)-(-2)+(-7)-(+5)-(-4)写成省略加号形式(-9)
(-9)-(-2)+(-7)-(+5)-(-4)写成省略加号形式
(-9)-(-2)+(-7)-(+5)-(-4)写成省略加号形式
(-9)-(-2)+(-7)-(+5)-(-4)写成省略加号形式
(-9)-(-2)+(-7)-(+5)-(-4)
=-9+2-7-5+4
=-15