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If it were two hours later, it would be half as long until midnight as it would be if it were an hour later. What time is it now
If it were two hours later, it would be half as long until midnight as it would be if it were an hour later. What time is it now
admin
2011-03-05
46
问题
If it were two hours later, it would be half as long until midnight as it would be if it were an hour later. What time is it now9
选项
答案
21:00
解析
设现在的时间为x,根据题意可得下列方程式:24-(x+2)=1/2[24-(x+1)], 得x=21,所以现在是21:00。
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A类竞赛(研究生)题库大学生英语竞赛(NECCS)分类
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A类竞赛(研究生)
大学生英语竞赛(NECCS)
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