因式分解(1a/36-1/3)a+1

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因式分解(1a/36-1/3)a+1因式分解(1a/36-1/3)a+1因式分解(1a/36-1/3)a+1(a/36-1/3)a+1=a^2/36-a/3+1=(a^2-12a+36)/36=(a-

因式分解(1a/36-1/3)a+1
因式分解(1a/36-1/3)a+1

因式分解(1a/36-1/3)a+1
(a/36-1/3)a+1=a^2/36-a/3+1=(a^2-12a+36)/36=(a-6)^2/36