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dragon(龙)
Author:
赵林
GeoGebra
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【案例】2018年全国1卷理科12题
球體建築師
兩組對邊相等的四邊形
sanjiaohanshu
拼砌四邊形
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中線平方定理在圓上應用
圖A
點與圓的關係
Copy of 「相似三角形」任务2
相反数 思考(教材第10页)
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Natural Numbers
Area
Similarity Transformation or Similarity
Logarithmic Functions
Right Triangles