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rao you qu wei de ti zi wen ti
Author(s): 
Pages: 34-35
Year: Issue:  1
Journal: School Journal of Mathematics

Keyword:  勾股定理联结点梯子水平方向加工费日常生活生活经验趣味顶端横档;
Abstract: <正>俗话说“处处留心皆学问”,同学们是否注意过,我们日常生活中使用的梯子,竟潜藏着许多饶有趣味的数学问题,兹采撷几例和同学们共赏。一、梯子的稳定问题例1 生活经验表明,靠墙摆放梯子时, 若梯子底端离墙的距离约为梯子长度的1/3时,
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