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20200417平面直角坐标系复习T14(2)
Author:
陈敦莹
GeoGebra
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平行線的判定
第三周作业效果演示
盈利與虧蝕
第八周作业3
龙形曲线-分形龙2
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happy birthday
技巧
第一階段:二次函數恆正恆負條件,完成後往下至下一階段
ghseh 二次函數描點法左右平移-6
两角差的正切公式的证明
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Fractions
Symmetry
Numbers
Straight Lines
Multiplication