Question

вычислить: 37^2 - 23^2/37^2 -2*37*23+23^2 (7 класс)

Answer 1

$displaystyle frac{37^2-23^2}{37^2-2*37*23+23^2} = frac{(37-23)(37+23)}{(37-23)^2}= frac{37+23}{37-23}= frac{60}{14} = 4 frac{2}{7}$