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兩位數乘兩位數直式
Author:
Cychoy
Topic:
Multiplication
GeoGebra
New Resources
拼砌四邊形
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
算柱 (兩位數)
Discover Resources
Prism and Cylinder 5
正多邊形收斂
五複合正六面體
十分逼近法
多邊形面積(分割法)
Discover Topics
Integral Calculus
Unit Circle
Pythagoras or Pythagorean Theorem
Probability
Translation