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若实数满足,则关于的方程有实数根的概率是
( )
A.1 B. C. D.
若实数满足,且使关于的方程与均有实数根,则有( )
实数m满足方程,则有
A.2m<1<m B.m<1<2m C.1<m<2m D.1<2m <m
实数m满足方程2x-x=0,则有
2m<1<m
m<1<2m
1<m<2m
1<2m<m