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标题: 笔考真题-55-section7-2 求思路 [打印本页]

作者: missouyang    时间: 2005-11-10 07:10     标题: 笔考真题-55-section7-2 求思路


2. Between 3:00 am. and 3:00 p.m. of the same day, the minute hand of a properly operating clock, indicated by the figure above, will turn through how many degrees?
(A) 0
(B) 1,200
(C) 2,160
(D) 4,320
(E) 8,640

答案d

mine a

另外turn through 是什么意思?


作者: periodic    时间: 2005-11-10 19:32

其实就是问你转了几圈而已,一共12小时那么就是12圈,每圈360度,乘以下就是D了。




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