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设方程2-x=|lgx|的两个根为x1,x2,则
A.x1x2<0
B.x1x2=1
C.x1x2>1
D.0<x1x2<1
x1x2<0
x1x2=1
x1x2>1
0<x1x2<1
(文科)设方程2-x=|lgx|的两个根为x1,x2,则