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3 [ 5 - 2]² * [-27/8 + 3 * 1/8] ⁻² = 3* 3² * [-27/8 + 3/8]⁻² = 27 * [-24/8]⁻² =
27 * (-3)⁻² = 27 * 1/9 = 3
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3 [ 5 - 2]² * [-27/8 + 3 * 1/8] ⁻² = 3* 3² * [-27/8 + 3/8]⁻² = 27 * [-24/8]⁻² =
27 * (-3)⁻² = 27 * 1/9 = 3