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外心

Author:田中利則

New Resources

standingwave-plus
平均変化率
小テスト
直線の軌跡
サイクロイド

Discover Resources

円周角の定理
球と経線の見え方
定規4
直線と格子点
動点（三角形-1）

Discover Topics

Intersection
Solids or 3D Shapes
Integers
Algebra
Congruence

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