Question

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269,5/0,7(во 2 степени) - (3 1/4 + 5 2/4) = 

Answer 1

$frac{269.5}{0.7^2} -( 3frac{1}{4} +5 frac{2}{4})= frac{269.5}{0.49} - 8 frac{3}{4} =550-8 frac{3}{4}=541 frac{1}{4}$