5*(1/5)в 2 степени -16 * 1/5

Question

5*(1/5)в 2 степени -16 * 1/5

Answer 1

5 × (1/5)² - 16 × 1/5 = - 3
1) 5/1 × 1/25 = 5/25 = 1/5
2) 16/1 × 1/5 = 16/5
3) 1/5 - 16/5 = 1 - 16/5 = - 15/5 = - 3

Ответ: - 3