一道初二化简题
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一道初二化简题一道初二化简题 一道初二化简题化简：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)
一道初二化简题
一道初二化简题
一道初二化简题
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…………