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S0G5平均不等式（无字证明）
Autor:
龚洪萍
Topico(s):
Geometria
GeoGebra
Novos Materiais
異分母分數減法
兩組對邊相等的四邊形
第八周作业
【案例】2018年全国1卷理科12题
判斷球體
Descubra Materiais
十字轉換成2正方形
三條線上的三角形
testing
三角函數的性質
P4 4N6 分數的種類及轉換 / Fraction Types and Their Conversions
Descobrir Tópicos
Moda
Triângulos Semelhantes
Área
Álgebra
Integral Definido