13:13= 48:16= 85:17= 76:4= 15x8= 26x8= 76:19= 52x4= 28:14= 4x23= 85:5= 18x4= 57:19= 52:13= 8x18= 39:13= 16x5= 36:3= 8x37= 45:15= 80:16= 9x19= 52:4=

Решение:

Выполняем умножение и деление.

1. 13 : 13 = 1
2. 48 : 16 = 3
3. 85 : 17 = 5
4. 76 : 4 = 19
5. 15 \(\times\) 8 = 120
6. 26 \(\times\) 8 = 208
7. 76 : 19 = 4
8. 52 \(\times\) 4 = 208
9. 28 : 14 = 2
10. 4 \(\times\) 23 = 92
11. 85 : 5 = 17
12. 18 \(\times\) 4 = 72
13. 57 : 19 = 3
14. 52 : 13 = 4
15. 8 \(\times\) 18 = 144
16. 39 : 13 = 3
17. 16 \(\times\) 5 = 80
18. 36 : 3 = 12
19. 8 \(\times\) 37 = 296
20. 45 : 15 = 3
21. 80 : 16 = 5
22. 9 \(\times\) 19 = 171
23. 52 : 4 = 13

Ответ: 1, 3, 5, 19, 120, 208, 4, 208, 2, 92, 17, 72, 3, 4, 144, 3, 80, 12, 296, 3, 5, 171, 13.