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探究判定全等三角形的条件（ SSA? & HL！）
Author:
孙敏捷
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建中
GGB printable logo 3
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dandelin
毕氏螺线
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折扣 例6
四次函數圖形觀察
四下_面積（一）(學生版)
畢氏
掃描不等式圖形
Discover Topics
Circumcircle or Circumscribed Circle
Definite Integral
Line Segment
Plane Figures or Shapes
Root
