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zou jin pin tu de qi miao shi jie
Author(s): 
Pages: 47-49
Year: Issue:  Z2
Journal: School Journal of Mathematics

Keyword:  正方形数学活动等腰梯形生动有趣聊城市画图正三角形图案设计模型制作现实情境;
Abstract: <正>折叠、画图、模型制作、拼摆、图案设计等数学活动,可以为同学们提供生动有趣的现实情境,丰富和增强同学们的数学活动经历和体验.例1(2004年聊城市)图1是一块正方形地板砖,上面的图案由一个小正方形和四个等腰梯形组成.小莹家的地面是由这样的地板砖镶
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