Emily ★〃 says
14 years ago
所以今天的結論是F=ma 哈哈哈哈哈!!!好過份喔!!!
*~維琪~* says
14 years ago
好熟的公式= =
Emily ★〃 says
14 years ago
e77725: 但我們的結論跟他原本的定義根本不相干~XDDD
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