Question

16. Вычислите: 27×3-² +4×20 7² -1 1 49 ​

Answer 1

Объяснение:

27 * 3-² + 4 * 20 = 27 * 1/(3²) + 80 = 27 * 1/9 + 80 = 27/9 + 80 = 3 + 80 = 83

7² - 1 1/49 = 49 - 1 1/49 = 48 49/49 - 1 1/49 =

47 48/49