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円周角2

Author:伊藤秀雄

New Resources

standingwave
正１７角形　作図　regular 17-gon
sine-wave
円の伸開線
standingwave-reflection-free

Discover Resources

勝手に閉じるコンパス
垂足円と足円
内分外分からメネラウス・チェバの定理の証明へ
角の二等分線作図と性質
平行四辺形の面積と行列式

Discover Topics

Continuity
Scalene Triangles
Arithmetic Operations
Integral Calculus
Set Theory

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