0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 23:34:17
0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)0.85-(-0.75)-(+2又3/4)+(-1.85)+(+

0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)
0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)

0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)
0.85-(-0.75)-(+2又3/4)+(-1.85)+(+3)
=(0.85-1.85)+(0.75-2又3/4)+3
=-1-2+3
=0