若3a^2-5ab+2b^2=0(b≠0),则(a-2b)/(3a+b)=

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若3a^2-5ab+2b^2=0(b≠0),则(a-2b)/(3a+b)=若3a^2-5ab+2b^2=0(b≠0),则(a-2b)/(3a+b)=若3a^2-5ab+2b^2=0(b≠0),则(a-

若3a^2-5ab+2b^2=0(b≠0),则(a-2b)/(3a+b)=
若3a^2-5ab+2b^2=0(b≠0),则(a-2b)/(3a+b)=

若3a^2-5ab+2b^2=0(b≠0),则(a-2b)/(3a+b)=