x-2/7x=3/4

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/27 13:43:04
x-2/7x=3/4
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x-2/7x=3/4
x-2/7x=3/4
 

x-2/7x=3/4
5/7x=3/4=21/20

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