原帖由 P妈 于 2009-5-11 12:43 发表 five girls get on the bus.each girl has a school bag,each bag has five big cats,each big cat has five small cats. how many legs are there on the bus? Answer : 610 legs.
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原帖由 成长中的雨 于 2009-5-12 10:09 发表 我们录取上外了,马上把浦外的位置让出来。