{(9)^-2×(6)^-1}^-2÷(3)^-2
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your question
{(9)^-2×(6)^-1}^-2÷(3)^-2
your answer
{-81×-6}^-2÷-9
=-486^-2÷9
=-236,196÷9
=-26,244
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