(-0.5)+(+3.25)+(+2.75)+(-6.5)

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 06:47:21
(-0.5)+(+3.25)+(+2.75)+(-6.5)
x){C@Nm SX63uJlIԡ_`gC-Ѩzr8 h56u m 젮sPDm

(-0.5)+(+3.25)+(+2.75)+(-6.5)
(-0.5)+(+3.25)+(+2.75)+(-6.5)

(-0.5)+(+3.25)+(+2.75)+(-6.5)
=[(-0.5)+(-6.5)]+[(+3.25)+(+2.75)]
=(-7)+6
=-1

-1