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少一塊
Author:
李春培
Topic:
Rectangle
少一塊
GeoGebra
New Resources
算柱 (兩位數)
画直线等分三角形的面积
四邊形的特性
兩位數除以一位數（一）
三位數除以一位數（二）
Discover Resources
carrito
平面鏡成像 Image of Plane Mirror Reflection
同位角__水平平行綫
漂白水消毒倒多少互動網頁
可控九九乘法口诀表
Discover Topics
Tangent Line or Tangent
Pie Chart or Circle Chart
Pythagoras or Pythagorean Theorem
Rational Numbers
Upper and Lower Sum or Riemann Sum