a, \(x.\dfrac{6}{11}=\dfrac{1}{12}\\ x=\dfrac{1}{12}:\dfrac{6}{11}=\dfrac{11}{72}\)
\(b,x=\dfrac{6}{11}.\dfrac{1}{12}=\dfrac{1}{22}\\ c,x=\dfrac{1}{12}:\dfrac{6}{11}=\dfrac{11}{72}\)
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