的实根个数是( )。A.3
B.2
C.1
D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0
[单选题]设f(x)=x(x-1)(x-2),则方程的实根个数是( )。A.3B.2C.1D.0