作业帮6000/( 25%•x) =[(6000+400)/( 10%•x ）]-80
来源：学生作业帮助网 编辑：作业帮 时间：2024/10/06 19:37:07
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6000/( 25%•x) =[(6000+400)/( 10%•x ）]-80
6000/( 25%•x) =[(6000+400)/( 10%•x ）]-80
6000/( 25%•x) =[(6000+400)/( 10%•x ）]-80
800
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151