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反射定律 Law of Reflection
Author:
W.L. Wong, Albert
GeoGebra
New Resources
第八周作业
【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
Discover Resources
ggb-fs-b1 分數擴分
學資p.13第7題
君子球
日本國旗
Slope of a tangent 切線斜率
Discover Topics
Power Functions
Line Segment
Difference and Slope
Upper and Lower Sum or Riemann Sum
LCM and GCD