Question

一道初二化简题

Answer 1

化简：a+1/a(a-1) + (a+1)(a-1)/(a-1)^2

=a+1/a(a-1) + (a+1)/(a-1)

=a+1/a(a-1) + a(a+1)/a(a-1)

=a+1+a^2+a/a(a+1)

=a^2+2a+1/a(a+1)

=(a+1)^2/a(a+1)

=(a+1)/a

对滴,我觉得是~

又不懂的再问哦…………