Question

-12 : (3/4 - 5/6)^2
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Answer 1

\(-12:\left(\dfrac{3}{4}-\dfrac{5}{6}\right)^2=-12:\left(\dfrac{9-10}{12}\right)^2=-12:\left(-\dfrac{1}{12}\right)^2\)

\(=-12:\left(\dfrac{1}{12}\right)^2=-12.12^2=-12^3=-1728\)