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中考 2018 北京-27
Author:
acchu
GeoGebra
New Resources
盈利與虧蝕
科赫雪花
异形操场
第八周作业1
球体的截面
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認識函數(表格形式練習)
[問題] x² + 2xy + y² + 5x + ay + b > 0
加減併式與估算
三年級除法(四):一位數除三位數
y=Asin(ωx+φ)
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Pyramid
Angles
Rectangle
Diagrams
Cuboid