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亲爱的同学们:你们好!我叫数轴,是一条布满刻度的直线.别看我其貌不扬,我可是大家在初中数学学习中必不可少的工具哟!下面就请你们来
Dear students: Hello, my name is a number of axes, is a straight line full of graduation.Don't look at me, but I am an essential tool in junior high school math learning yo! Here you come