idnr: 173
1-
16+
2
4+
3
6+
12+
11+
4-
7+
3-
Difficulty: Easy ()
idnr: 244
10+
30*
3+
1-
2/
10+
5
9+
5+
10+
Difficulty: Difficult ()
idnr: 2758
14+
6*
9+
8*
1-
5/
180*
9+
7+
Difficulty: Medium ()
idnr: 1718
5+
120*
100*
8+
180*
7+
4+
5*
Difficulty: Easy ()