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S5_化學_CH47_B2_元素物理性質的周期變化(導電性的變化)
S5_化學_CH48_A_由Na至Cl各元素氧化物的鍵合本質和計量成分
中三第四課《才藝大賽》 P35 第1題
Total internal reflection 1
普通話-F 2-第二課- 2.2-複習「不」的變調
S4_化學_CH9_D1_二氧化碳和碘的結構
Light: Particles or wave? Young's double slits
24-25 F4 2nd UT_Q6
24-25 F4 2nd UT_Q1
YU CHUN KEUNG MEMORIAL COLLEGE