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比較數量應用題：四年級有學生多少人？
Forfatter
Anthony OR 柯志明
某學校二年級有學生 53 人，二年級學生比三佃級學生少 14 人，三年級學生比四年級學生多 18 人。四年級有學生多少人？
GeoGebra
Nye Materialer
functionartculture
Pathway to Proof: Triangle Angles
רישום חופשי
Nikmati Keunggulan Di Bandar Judi Terpercaya
Rolling an Equilateral Triangle
Opdag Ressourcer
Area of a Circle (Peel to Triangle)
Treasure Hunter Joe!
Sections of Rectangular Prisms (Cuboids)
parabola up and down Negative and positive
Udforsk emner
Trekanter
Funktionsgrafer
Brøker
Linjestykke
Kugle