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manh.kun169
2 năm trước
cho 3 điện trở R1=6∩, R2=12∩, R3=16∩ được mắc song song với nhau vào hiệu điện thế U=2,4V. 1/tính điện trở tương đương của đoạn mạch 2/tính hiệu điện thế giữa 2 đầu mỗi điện trở. viết lời giải giúp mik,cảm ơn!
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