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quiz 9.1 2(a)
Author:
lamanleung
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
拼砌四邊形
近似值：有效數字
兩位數除以一位數（二）
畫出對稱圖形
Discover Resources
矩陣
Slope of perpendicular lines
不等式的應用
ruler
大小不同串珠
Discover Topics
Cube
Root
Natural Numbers
Subtraction
Percentages