idnr: 6852
3*
9+
5+
4
8*
1-
3*
Difficulty: Easy ()
idnr: 814
8+
9+
4+
8+
4+
7+
Difficulty: Medium ()
idnr: 4061
3-
3
9+
9+
3+
12*
1-
Difficulty: Medium ()
idnr: 2716
6+
1
12+
7+
7+
3+
4+
Difficulty: Easy ()