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winter vacation homework 6
Author:
sungsun0808
GeoGebra
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畫出對稱圖形
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
第八周作业
近似值:有效數字
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math1
Sine Formula 正弦公式
ie 3
齊找對稱軸
圆形磁场