bowdream13

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• https://gohineducation.com/%E5%A6%82%E4%BD%95%E6%8C%91%E9%81%B8%E6%9C%80%E9%81%A9%E5%90%88%E4%BD%A0%E7%9A%84-physics-%E8%A3%9C%E7%BF%92%E8%AA%B2%E7%A8%8B%EF%BC%9F%E6%9C%80%E5%A5%BD%E7%9A%84-physics-%E8%A3%9C%E7%BF%92%E8%80%81-2/