Rule out as many as you can as class equations for a group o

Rule out as many as you can, as class equations for a group of order 10:

1+1+1+2+5

1+2+2+5

1+2+3+4

1+1+2+2+2+2

Solution

1+1+1+1+2+2+2

2+2+2+2+2

1+3+3+3

2+3+5

3+7

1+5+4

4+2+1+3

6+3+1

3+3+6

5+5

1+2+3+4

2+3+3+2

and so on

we can do this