3,17+10,2+0,83+9,8

To find the sum of the numbers, you can simply add them together:

3.17 + 10.2 + 0.83 + 9.8

Let's do the calculations step by step:

1. 3.17 + 10.2 = 13.37
2. 13.37 + 0.83 = 14.2
3. 14.2 + 9.8 = 24.0

So, the sum of 3.17 + 10.2 + 0.83 + 9.8 equals 24.0.