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operation of matrix
Author:
华杰 苏
Topic:
Matrices
GeoGebra
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拼砌四邊形
兩位數除以一位數（一）
三位數除以一位數（一）
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
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test2
中垂線
半圓上的圓周角
量度長度(厘米)
橢圓截圓錐
Discover Topics
Rhombus
Calculus
Correlation
LCM and GCD
Arithmetic Operations