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拿破侖定理(外拿破侖)證明二
Author:
連琨銘
GeoGebra
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【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
近似值：有效數字
三位數除以一位數（二）
三位數除以一位數（一）
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阿波羅尼亞圓
凹面鏡成像
Locus: Equidistance From Two Intersecting Lines
trigonometry1
工具：DimensionArrows
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Subtraction
Dilation
Step Functions
Integral Calculus
Pie Chart or Circle Chart