Question

4. Calculaţi: a) 5² + 9² - 25; 2. b) 3.7²-4²; c) 3.4³ +2.9²;​

Answer 1

Ответ:

a)5²+9²-25 = 25 + 81 - 25 = 81
b)3.7²-4² = 13.69 - 16 = -2.31
c)3.4³+2.9² = 39.304 + 8.41 = 47.714