-(-1又1/2)+(-1又1/4)+(+3又3/4)+(-0.25)-(+3.75)-4.5

来源:学生作业帮助网 编辑:六六作业网 时间:2025/01/21 22:05:44
-(-1又1/2)+(-1又1/4)+(+3又3/4)+(-0.25)-(+3.75)-4.5-(-1又1/2)+(-1又1/4)+(+3又3/4)+(-0.25)-(+3.75)-4.5-(-1又1

-(-1又1/2)+(-1又1/4)+(+3又3/4)+(-0.25)-(+3.75)-4.5
-(-1又1/2)+(-1又1/4)+(+3又3/4)+(-0.25)-(+3.75)-4.5

-(-1又1/2)+(-1又1/4)+(+3又3/4)+(-0.25)-(+3.75)-4.5
-(-1又1/2)+(-1又1/4)+(+3又3/4)+(-0.25)-(+3.75)-4.5
=1.5-1.25+3.75-0.25-3.75-4.5
=1.5-4.5-1.25+3.75-0.25-3.75
=-3-1.5
=-4.5