(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

问题描述:

(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