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駐波:相向而行的兩行進波線性疊加而成
Author:
ipc Wang
y=sin(3x-2t) y=sin(3x+2t)
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
三位數除以一位數（一）
Discover Resources
點到直線的距離 8：觀察平行線常數項的差距
Comparing fractions using number lines and rectangles
[S3] a GeoGebra file created by a pre-service teacher Peter (pseudonym)
心脏线切线族
抛物线中的等腰三角形
Discover Topics
Arithmetic
Constructions
Pie Chart or Circle Chart
Right Triangles
Geometric Mean