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12087057 Kính chào các thầy, cô! Hiện tại, kinh phí duy trì hệ thống dựa chủ yếu vào việc đặt quảng cáo trên hệ thống. Tuy nhiên, đôi khi có gây một số trở ngại đối với thầy, cô khi truy cập. Vì vậy, để thuận tiện trong việc sử dụng thư viện hệ thống đã cung cấp chức năng...
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Người gửi: Vi Hao My
Ngày gửi: 21h:22' 04-12-2021
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TRƯỜNG TH&THCS CHIỀNG CHÂUKIỂM TRA GIỮA KỲ I
Họ và tên: .................................. Môn: Công nghệ 8
Lớp .............................. Thời gian : 45 phút
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Bài 1(5,0 điểm): vẽ các hình chiếu đứng, bằng,cạnh của vật thể sau.
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Bài 2(5,0 điểm): đọc bản vẽ chi tiết đơn giản sau:

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