作业帮若1/4+1/2（x+1/2009)=3/4,则4018-2009（x+1/2009)=?
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若1/4+1/2（x+1/2009)=3/4,则4018-2009（x+1/2009)=?
若1/4+1/2（x+1/2009)=3/4,则4018-2009（x+1/2009)=?
若1/4+1/2（x+1/2009)=3/4,则4018-2009（x+1/2009)=?
1/4+1/2（x+1/2009)=3/4
1/2（x+1/2009)=1/2
x+1/2009=1
4018-2009（x+1/2009)=4018-2009=2009
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