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第7题
Author:
zhuguokang
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
異分母分數減法
【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
直角坐標平面上的旋轉變換
Discover Resources
圍周
體積的量度 4
三次曲线
正弦公式1
三棱锥的三视图的副本
Discover Topics
Difference and Slope
Conic Sections
Parallelogram
Similar Triangles
Confidence Interval