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兩數相加
Forfatter
李俊賢
藉由數線來表示正負數的相加
GeoGebra
Nye Materialer
seo tool
Nikmati Keunggulan Di Bandar Judi Terpercaya
bewijs stelling van Pythagoras
Place Values
apec
Opdag Ressourcer
Parallelograms
Science and Mathematics Simulations UQ
Rotated and Dilated Modifiable
proposition 23
Square of a Binomial
Udforsk emner
Rotation
Polygoner
Geometriske flytninger
Forhold
Prisme