若分式x²/(x²+x)化简为x/(1+x),则x满足的条件是_____________A x≠-1或x≠0 B x≠-1 C x≠-1且x≠0 D X≠0
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![若分式x²/(x²+x)化简为x/(1+x),则x满足的条件是_____________A x≠-1或x≠0 B x≠-1 C x≠-1且x≠0 D X≠0](/uploads/image/z/2999868-60-8.jpg?t=%E8%8B%A5%E5%88%86%E5%BC%8Fx%26sup2%3B%2F%EF%BC%88x%26sup2%3B%2Bx%EF%BC%89%E5%8C%96%E7%AE%80%E4%B8%BAx%2F%EF%BC%881%2Bx%EF%BC%89%2C%E5%88%99x%E6%BB%A1%E8%B6%B3%E7%9A%84%E6%9D%A1%E4%BB%B6%E6%98%AF_____________A+x%E2%89%A0-1%E6%88%96x%E2%89%A00+B+x%E2%89%A0-1+C+x%E2%89%A0-1%E4%B8%94x%E2%89%A00+D+X%E2%89%A00)
若分式x²/(x²+x)化简为x/(1+x),则x满足的条件是_____________A x≠-1或x≠0 B x≠-1 C x≠-1且x≠0 D X≠0
若分式x²/(x²+x)化简为x/(1+x),则x满足的条件是_____________
A x≠-1或x≠0 B x≠-1 C x≠-1且x≠0 D X≠0
若分式x²/(x²+x)化简为x/(1+x),则x满足的条件是_____________A x≠-1或x≠0 B x≠-1 C x≠-1且x≠0 D X≠0
x^2/(x^2+x)
=x^2/[x(1+x)]
=x/(1+x)
只要分母有意义,就可以.
x(1+x) ≠0
x≠-1且x≠0
选C
C
c