Question

Срочно помогите даю 25 балов!!!

Answer 1

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