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2.1.1轴对称 2024-05-13 03:49:54
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2.1.2画轴对称图形 2024-05-13 03:49:54
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2.1.3最短路径问题-解题课 2024-05-13 03:49:54
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2.2.1等腰三角形 2024-05-13 03:49:54
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2.2.1等腰三角形-解题课 2024-05-13 03:49:54
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2.3.1等腰三角形的性质定理-解题课 2024-05-13 03:49:54
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2.4.1等腰三角形的判定定理 2024-05-13 03:49:54
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2.4.1等腰三角形的判定定理-解题课 2024-05-13 03:49:54
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2.5.1逆命题与逆定理 2024-05-13 03:49:54
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2.7.1勾股定理 2024-05-13 03:49:54
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2.7.1勾股定理-解题课 2024-05-13 03:49:54
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2.7.2勾股定理的逆定理 2024-05-13 03:49:54
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2.7.2勾股定理的逆定理-解题课 2024-05-13 03:49:54
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2.8.1直角三角形全等的判定 2024-05-13 03:49:54
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利用勾股定理构造-解题课 2024-05-13 03:49:54
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总结 2024-05-13 03:49:54
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构造等边三角形-解题课 2024-05-13 03:49:54
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特殊角的应用-解题课 2024-05-13 03:49:54
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用勾股定理求高与中线-解题课 2024-05-13 03:49:54
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