(选择)化简分式b/ab+b^2的结果为( ) A.1/a+b B.1/a+1/b C.1/a+b^2 D.1/ab+b

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(选择)化简分式b/ab+b^2的结果为()A.1/a+bB.1/a+1/bC.1/a+b^2D.1/ab+b(选择)化简分式b/ab+b^2的结果为()A.1/a+bB.1/a+1/bC.1/a+b

(选择)化简分式b/ab+b^2的结果为( ) A.1/a+b B.1/a+1/b C.1/a+b^2 D.1/ab+b
(选择)化简分式b/ab+b^2的结果为( ) A.1/a+b B.1/a+1/b C.1/a+b^2 D.1/ab+b

(选择)化简分式b/ab+b^2的结果为( ) A.1/a+b B.1/a+1/b C.1/a+b^2 D.1/ab+b
C

1/a+b