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三年级数学下册五《面积》什么是面积课堂作业1（无答案）北师大版.doc

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1 / 11什么是面积同步习题一、 选择题。1.一个封闭图形四周的长度是指图形的（ ） 。A. 周长B. 面积C. 长2.下图中，正方形的面积（ ）三角形的面积。A. 小于B. 等于C. 大于3.图形的周长和面积的含义（ ） 。A. 相同B. 不同C. 无法确定4.下面（ ）的面积最大， （ ）的面积最小。ABC

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