Question

Срочно помогите даю 25 балов!!!

Answer 1

$frac{ {47}^{2} - {3}^{2} }{ {27}^{2} + 2 times 27 times 13 + {13}^{2} } = frac{(47 - 3)(47 + 3)}{(27 + 13)(27 + 13)} = frac{44 times 50}{40 times 40} = frac{11}{8}$