Ответ:
Пошаговое объяснение:
1. √6x + y² = 6*32 + -13*-13 = √361 = 19
2. √a/√c-4 = 9/19-4 = 9/15 = 0.6
3. √a/√c-2 = 1.5/1.9-2 = -15
4. 1/√a - √b = 1/4 - 17 = -16.75
5. 1/√a - √b = 1/0.2 - 1.3 = 3.7
6. -6*√3-x = -6*0.8 = -0.48
7. -2*√7-x = 2-2.6 = -0.6