若1/4+1/2(x+1/2011)=3/4,求4201-2010(x+1/2011)的值
问题描述：
若1/4+1/2(x+1/2011)=3/4,求4201-2010(x+1/2011)的值
答
1/4+1/2*(x+1/2011)=3/4
1/2(x+1/2011)=3/4-1/4
x+1/2011=1
于是
4201-2010(x+1/2011)
=4201-2010*1
=2191