idnr: 1823
10*
60*
9+
4
7+
10+
10+
8*
9+
Difficulty: Medium ()
idnr: 2700
7+
9+
8+
9+
6+
6+
7+
5+
11+
7+
Difficulty: Impossible ()
idnr: 390
13+
24*
8*
8+
1-
60*
30*
5+
Difficulty: Medium ()
idnr: 657
36*
3200*
15+
6*
8+
6+
5
Difficulty: Medium ()