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Quân Lê
2 năm trước

đoạn mạch AB gồm 2 điẹn trở R1=32 nt R2=16 hdt không thay đổi U=24v giữa hai đầu đoạn mạch AB a/ tính Rtd giữa đoạn mạch AB và HDT giữa hai đầu mỗi điện trở. b/mắc thêm R3 như thế nào vào mạch để HdT giữa hai đầu R1= HDT giữa hai đầu RĐ.tính giá trị điện trở R3

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Thuỳ Nguyễn
2 năm trước

Đáp án:

 

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Viết một đoạn văn hoàn chỉnh về lý do học tiếng Anh bằng cách đưa ra các manh mối ( ko chép mạng nhá)

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việt nam dành độc lập vào năm nào

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