城西小学 徐玲玲
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城西小学 徐玲玲. 12. 1. 11. 10. 2. 9. 3. 8. 4. 7. 5. 6. 12. 1. 11. 10. 2. 9. 3. 8. 4. 7. 5. 6. 角. 顶点 .. 边. 边. 边. 顶点 .. 边. 顶点 .. 边. 边. 边. . 顶点. 顶点 .. 边. 边. 边. 1. 找出哪些是角?哪些不是角?. ( ). √. ( ). √. ( ). ×. ( ). ×. ( ). ( ). ×. √. 游戏一:火眼金睛. 4. 1. 3. 2.
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城西小学 徐玲玲
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