Question

ВЫЧИСЛИТЕ РАЦИОНАЛЬНЫМ СПОСОБОМ
37^2+2:37*13+13^2
_______________=
50

Answer 1

$\frac{ {37}^{2} + 2 \times 37 \times 13 + {13}^{2} }{50} = \frac{(37 + 13) {}^{2} }{50} = \frac{50 {}^{2} }{50} = 50$