√x-1+√2x-3+√3x-5+√4x-7=5x-6√是根号,x-1,2x-3,3x-5,4x-7都在根号下,不要直接答案,我知道答案是2

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/03 01:11:07
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