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Ngày soạn:4/9/2007.
Ngày giảng:6/9 lớp 9C; 07/9 lớp 9E. Tiết 1:
CHƯƠNG I: ĐIỆN HỌC.
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Ngày soạn:30/9/2007.
Ngày giảng:5/10/2007. Tiết 9:
SỰ PHỤ THUỘC CỦA ĐIỆN TRỞ VÀO VẬT LIỆU LÀM
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