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第12届美国中学生数学邀请赛题
Höfundur:
王俊辉
GeoGebra
Nýtt námsefni
異分母分數減法
四邉形 (四年級) 教師版
判斷球體
三位數除以一位數（二）
柱體建築師
Skoðaðu námsefni
做出一平面方程式通過A(6,0,0),B(0,6,0),C(0,0,3)的平面方程式
七巧板
創作對稱圖形 LEVEL 4
Distance(距離公式)
动态演示面动成体：圆柱、圆锥、圆台、球
Skoðaðu umfjöllunarefni
Föll
Hringur
Hlutföll
Keilusnið
Vigrar