A(n) _can be turned on and off circuit battery electromagnet conductor

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A(n) _can be turned on and off
circuit
battery
electromagnet
conductor

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Cherry 7 days 2021-07-16T06:44:28+00:00 1 Answers 1 views 0

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    2021-07-16T06:45:36+00:00

    A(n) electromagnet can be turned on and off

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )