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Author:
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Volume:
Issue:
rao you qu wei de ti zi wen ti
Author(s):
LV Huabin
,
JIA Qiulan
Pages:
34
-
35
Year:
2006
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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