问题标题:
发个英语题玩玩:Ifitweretwohourslater,itwouldbeIfitweretwohourslater,itwouldbehalfaslonguntilmidnightasitwouldbeifitwereanhourlater.Whattimeisit?
问题描述:
发个英语题玩玩:Ifitweretwohourslater,itwouldbe
Ifitweretwohourslater,itwouldbehalfaslonguntilmidnightasitwouldbeifitwereanhourlater.Whattimeisit?
姜小光回答:
21点就是晚上九点
x+2+y=24
x+1+2y=24
y=1
x=21
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