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梯形
Author:
Yip Chi Wai
Topic:
Trapezoid
GeoGebra
New Resources
兩位數除以一位數（一）
算柱 (兩位數)
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
第八周作业
Discover Resources
mmvbcvbcv
MFS: Rebound 2
拋物線6--包絡線法
正棱台的侧面展开效果
【折纸】A4纸折四面体
Discover Topics
Square
Confidence Interval
Fractions
Orthocenter
Triangles