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Physics, 01.12.2021 16:40 zoeyandblaze
R1=2 ôm R2 = 3 ôm . Mắc R1 nối tiếp R2. Tính Rtđ
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R1=2 ôm R2 = 3 ôm . Mắc R1 nối tiếp R2. Tính Rtđ...
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