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F3 數學 4.2A: 解一元一次不等式:消除分母
F3 數學 4.2A: 解一元一次不等式:8x+7>30, 17-4x<5
F4 數學 3.5: 二次方程的應用題:Ex.3E #15,#16
I.S. Language Focus: preposition exercise revision - at in on
Simple present tense_true now
Chemistry Experiment - 32.4 - Electroplating
S.3 biology Ch.2 顯微鏡使用方法
F5_Maths_Ch3_3.2
F5_Maths_Ch3_3.1
YU CHUN KEUNG MEMORIAL COLLEGE