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—+—=— (R3は全体の抵抗)
R1 R2 R3
R1×R2
=——— =R3
R1+R2
2×3 6
なので —— =——=1.2
2+3 5
よって1.2 Ω
ありがとうございました✨
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分かりやすい説明ありがとうございます!
助かりました✨