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a,b,c依次表示方程2x+x=1,2x+x=2,3x+x=2的根,则a,b,c...
a,b,c依次表示方程2x+x=1,2x+x=2,3x+x=2的根,则a,b,c的大小顺序为( )
A.a<c<b
B.a>b>c
C.a<b<c
D.b>a>c
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