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tan(α) tan(β) = ?
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
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判斷球體
【案例】2018年全国1卷理科12题
四邉形 (四年級) 教師版
兩位數除以一位數（二）
柱體建築師
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固定三角形的條件−題5
HOMEWORK
三角函數的繪圖1
PROBLEM SOLVING(COLOUR)
网易云音乐
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Straight Lines
Terms
Curve Sketching
Translation
Parabola