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平行四邊形
Forfatter
李春培
Emne:
Parallelogram
GeoGebra
Nye Materialer
【案例】2018年全国1卷理科12题
sanjiaohanshu
近似值：有效數字
兩組對邊相等和有直角的四邊形
找出對稱軸
Opdag Ressourcer
proof76 謝旻辰
圓周 (圖形E)
中垂線
Ex5D#8
Rotation of line
Udforsk emner
Legemer eller 3D-figurer
Plane figurer eller former
Histogram
Bestemte Integral
Fordelinger