Решим каждое уравнение пошагово:
1. 380 + x = 510
x = 510 - 380
x = 130
2. 700 - x = 427
x = 700 - 427
x = 273
3. 560 : x = 70
x = 560 : 70
x = 8
4. 24 * x = 480
x = 480 : 24
x = 20
5. x : 16 = 80
x = 80 * 16
x = 1280
6. x * 1 = 13
x = 13 : 1
x = 13
Ответы: 130, 273, 8, 20, 1280, 13