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Ch 10.2d
Ch 14.3b
1A_ SCIENCE_CH5.3_Energy sources_Bk_P.128-129
1D科學-作業單元練習5-問答題Q2
11.3C Similar triangles
F.3 文言虛詞:此、是、所、焉
解較複雜方程1
首尾呼應(二)wmk
BiologyCh.15(E)P.12CE1992
YU CHUN KEUNG MEMORIAL COLLEGE