my watch gains 3 minutes every hour.if i set my watch correctly at 9:00 am,then the time that itwill show after 4 hours is

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mywatchgains3minuteseveryhour.ifisetmywatchcorrectlyat9:00am,thenthetimethatitwillshowafter4hoursism

my watch gains 3 minutes every hour.if i set my watch correctly at 9:00 am,then the time that itwill show after 4 hours is
my watch gains 3 minutes every hour.if i set my watch correctly at 9:00 am,then the time that it
will show after 4 hours is

my watch gains 3 minutes every hour.if i set my watch correctly at 9:00 am,then the time that itwill show after 4 hours is
13:12或是 1:12 p.m.
我的手表每小时多走3分钟,早上9点准确对时,问4小时后我的表显示时间是多少.很容易算的