idnr: 72

1-

10+

2/

7+

4+

9+

Difficulty: Medium ()

idnr: 394

1-

2/

5+

7+

3

3/

24*

2

Difficulty: Easy ()

idnr: 3142

36*

2*

2/

1-

24*

12*

Difficulty: Easy ()

idnr: 1637

8+

10+

24*

16*

1-

Difficulty: Medium ()