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三个角只有一个角度数变1
Author:
朱亮
GeoGebra
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【案例】2018年全国1卷理科12题
sanjiaohanshu
畫出對稱圖形
直角坐標平面上的旋轉變換
兩位數加法
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z=x^2-y^2
大邊對大角
拿破崙三角形(費馬點)
倒數計時
加减乘除运算出题器
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Terms
Histogram
Correlation
Line Segment
Random Variables