Physics, 16.10.2021 01:50 lizzieee51
Cho 2 điện trở R1 = 16 R2 =14 mắc nối tiếp vào mạch điện có hiệu điện thế 27v
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Cho 2 điện trở R1 = 16 R2 =14 mắc nối tiếp vào mạch điện có hiệu điện thế 27v
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