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5 squares
Autor:
johnmayhk
GeoGebra
Purple points are mid-points of corresponding line segments. Drag blue points to change the size and orientation of squares. Are two red line segments perpendicular to each other always?
Nuevos recursos
科氏力 (Coriolis Force)
讀磅
直線的斜率:水平變化 & 鉛垂變化
平行線的斜率
垂直線的斜率
Descubrir recursos
大樂透開獎機有特別號
Multiplication of Polynomials(多項式的乘法)
莫比烏斯帶02
Kumamon
尝试绘本
Descubre temas
Integral Indefinida
Simetría
Vectores 2D (dos dimensiones)
Términos
Sólidos