Professional⦁Integrity⦁Quality
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J02-297-02
簡介: 1.斜邊中線定理 2.角對邊定理 3.射影定理 詳細資料: 1.磁性黑板一面,尺寸:60×90cm2.上印有一半圓形,圓上與直徑上有插洞,利用金屬插削可任意變成各種直角三角形,以印證定理 3.附金屬插削六支及彩色橡皮筋六條,強力磁鐵1只,半圓形角度尺1支,背貼膠磁,附教學手冊
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