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三角函數 描點作圖 新版
Author:
宋政蒲
Topic:
Cosine
,
Sine
,
Trigonometric Functions
,
Trigonometry
按下">"即再多畫1點;按下"<"即擦去(退回)1點;按下">>"即一次多畫10點為新增;按下">|"則一次畫完右半段(或左半段)的點。
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拼砌四邊形
判斷球體
兩位數除以一位數(一)
畫出對稱圖形
四邊形的特性
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中一︰全等圖形(平移、旋轉、反射)
直线平分三角形面积
量角器3
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