1又4分之1*67.875+125*6.7875+1250*0.053375

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/02 12:23:41
1又4分之1*67.875+125*6.7875+1250*0.053375

1又4分之1*67.875+125*6.7875+1250*0.053375
1又4分之1*67.875+125*6.7875+1250*0.053375

1又4分之1*67.875+125*6.7875+1250*0.053375
1又4分之1*67.875+125*6.7875+1250*0.053375
=1.25*67.875+125*6.7875+1250*0.053375
=1.25*67.875+1.25*678.75+1.25*53.375
=1.25*(67.875+53.375+678.75)
=1.25*800
=1000