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If it were two hours later, it would be half as long until midnight as it would
If it were two hours later, it would be half as long until midnight as it would
游客
2023-10-14
25
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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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