-4.27+3.8-(-1.2)+(-0.5)-(+0.73)是多少?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/09 05:18:32

-4.27+3.8-(-1.2)+(-0.5)-(+0.73)是多少?
-4.27+3.8-(-1.2)+(-0.5)-(+0.73)是多少?

-4.27+3.8-(-1.2)+(-0.5)-(+0.73)是多少?
-4.27+3.8-(-1.2)+(-0.5)-(+0.73)
=-4.27+3.8+1.2-0.5-0.73
=-(4.27+0.5+0.73)+5
=-5.5+5
=-0.5

= -0.5