10周長與周界01認識周界(選擇02)
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年級 *
20 points
班級 *
20 points
座號 *
20 points
5. 數數看,有幾個«在長方形內部,也在三角形內部?  *
10 points
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6. 在周界上的 ,一共有幾個?  *
10 points
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7. 在圓圈內部的l,一共有幾個?  *
10 points
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8. 下面哪一個圖形有周界? *
10 points
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