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探索金字塔高度
Author:
孤思客
GeoGebra
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【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
找出對稱軸
柱體建築師
四邊形的特性
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小青蛙
噴嘴示意圖
测试
Copy of 銳角三角：sin, cos
GGB新手季作业汇总
Discover Topics
Arithmetic Operations
Subtraction
Conditional Probability
Straight Lines
Fractal Geometry