(-0.5)+3又4分之1+2.75+(-5又2分之1)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 20:07:58
(-0.5)+3又4分之1+2.75+(-5又2分之1)

(-0.5)+3又4分之1+2.75+(-5又2分之1)
(-0.5)+3又4分之1+2.75+(-5又2分之1)

(-0.5)+3又4分之1+2.75+(-5又2分之1)
(-0.5)+3又4分之1+2.75+(-5又2分之1)
=-0.5+3.25+2.75-5.5
=-0.5-5.5+3.25+2.75
=-6+6
=0