a=2010分之2009=1-1/2010
b=2011分之2010=1-1/2011
因为1-1/2010＜1-1/2011
所以a
a=2010分之2009,b=2011分之2010.a,b的大小关系是
a=2010分之2009,b=2011分之2010.a,b的大小关系是
数学人气：396 ℃时间：2019-11-14 01:50:20
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