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Three-phase electric power
Author:
曾彥宏
Three-phase electric power
GeoGebra
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畫出對稱圖形
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Clock
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
習作A三ch1_11
活動工作紙LEVEL01
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Arithmetic Mean
Derivative
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Arithmetic Operations
Definite Integral