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错觉多边形

Author:冯伟冀

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兩組對邊相等和有直角的四邊形
兩位數加法
【案例】圆柱体内放置一个大球六个小球
判斷球體
兩組對邊相等的四邊形

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龍騰4_1-1課隨2
rectangular
Name the prism 1
簡易畢氏訂裡面積分割證明法
Quiz on Addition and Subtraction of Directed Numbers (1)

Discover Topics

Indefinite Integral
Symmetry
Linear Programming or Linear Optimization
Percentages
Secant Line or Secant

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