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Locus指令的練習
Author:
yuchengda
locus指令的練習
GeoGebra
New Resources
柱體建築師
三位數除以一位數（二）
拼砌四邊形
兩位數加法
錐體建築師
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磁磚著色
優良作品3(怡雯)
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
橫向橢圓
test
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Cube
Set Theory
Line Segment
Tangent Line or Tangent
Multiplication