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三角形小结与复习 2
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三角形小结与复习1
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勾股定理的逆定理
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勾股定理 2
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勾股定理1
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轴对称和轴对称图形2
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轴对称和轴对称图形 1
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逆命题 逆定理
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尺规作图2
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尺规作图1
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直角三角形全等的判定
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直角三角形的性质
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等腰三角形的判定
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等边三角形的性质
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等腰三角形的性质
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等腰三角形
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全等三角形的判定5
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全等三角形的判定4
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全角三角形的判定3
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全等三角形的判定（2）
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