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梯形的特性
Author:
felixchow
New Resources
Mean Value Theorem
MJW TL 3 pt 2
TEST
save
snowfake10
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Surface area
Centres in a Triangle
Parallellogram Proof
KONSEP LIMIT
Længdespring - mænd (4)
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Diagrams
Median Line
Ellipse
Quadrilaterals
Special Points