鸭子落到圆形湖中,狐狸在岸边想吃鸭子。鸭子受伤,无法从水里起飞,必须游到岸边才能起飞。狐狸在岸上跑的速度是鸭子速度的4.60338811倍 (or 鸭子速度= 0.21723363倍狐狸) 倍,问鸭子是否可以游到岸边起飞跑掉?how?
思路已经讨论过了, 答案下边贴了,I did not explain the word-by-word and step-by-step solutions. Just see if anyone can clarify this for Jinjing.
for jinjing - 鸭子落湖中...
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狐狸在岸上跑的速度是鸭子速度的4倍.not 4.6倍
-jinjing-
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05/14/2010 postreply
07:34:09
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for two guys above: be rational instead of emotional
-皆兄弟也-
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05/14/2010 postreply
07:47:00
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回复:for two guys above: be rational instead of emotional
-endofsuburbia-
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05/14/2010 postreply
07:54:30
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回复:回复:for two guys above: be rational instead of emotional
-皆兄弟也-
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05/14/2010 postreply
08:03:49
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回复:回复:回复:for two guys above: be rational instead of emotional
-guest007-
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05/14/2010 postreply
19:33:44
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新题 -
-guest007-
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05/14/2010 postreply
08:00:49