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乘法计时训练
Author:
孟宝兴
Topic:
Multiplication
GeoGebra
New Resources
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
異分母分數減法
【案例】圆柱体内放置一个大球六个小球
Discover Resources
線性變換
美麗的萬花筒
正弦曲线sin(x)
loci car
Strike and Dip 地層的走向與傾角的副本
Discover Topics
Exponent
Orthocenter
Bar Chart or Bar Graph
Circumcircle or Circumscribed Circle
Combinatorics