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请看谬论 http://skichinese.com/forum.php?mod=viewthread&tid=5871&pid=85714&page=2&extra=#pid85714
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谢谢,你把俺弄死机了,俺回去好好想想
(2.36^2 + 1^2 ) ^ (1/2)
唉, 粗心是老毛病了, 改不了了
2, 2.36 + 1 = 3.36
1, 米方/秒 --> 米/秒方
轻骑大侠是学航天有关的专业的,,,等看解答
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等你改作业呢, 别直接引用啊。。。鸭梨很大
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