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三角函數值 (特別角)
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
祖冲之的期望:内棋与外棋
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
兩位數加法
兩位數除以一位數(一)
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Addition and Subtraction of Directed Numbers (1) 有向數加減(1)
藝術著色
五位數
Slope 斜率 - 概念及定義 (3)的副本
幻彩圆
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Means
Algebra
Geometric Distribution
LCM and GCD
Ratios