0-29.8-17.5+16.5-2.2+7.5

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 16:38:30
0-29.8-17.5+16.5-2.2+7.5

0-29.8-17.5+16.5-2.2+7.5
0-29.8-17.5+16.5-2.2+7.5

0-29.8-17.5+16.5-2.2+7.5
0-29.8-17.5+16.5-2.2+7.5=0-(29.8+2.2)+(16.5+7.5-17.5)=0-32+6.5=-25.5