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面積4
Author:
katetang511
GeoGebra
New Resources
算柱 (兩位數)
sanjiaohanshu
第八周作业
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
Discover Resources
公因數與公倍數
不規則圖形的周界(凹)
Parallel lines
國徽
爱心
Discover Topics
Trapezoid
Rotation
Pythagoras or Pythagorean Theorem
Hyperbola
Mathematics