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ie 4
Author:
LAM YU SANG
GeoGebra
New Resources
兩位數除以一位數(二)
球體建築師
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
柱體建築師
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分數除法3: a ÷ b (包含)
證平行四邊形 (對角線互相平分) (對邊 // 且相等)
複合圖形(一)
第四組-圓冪定理
撒针估算面积实验
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Cone
Rational Numbers
Calculus
Parallelogram
Area