idnr: 1766
8+
4+
15+
9+
8+
12+
11+
5-
13+
15+
11+
6+
4-
12+
11+
8+
23+
11+
Difficulty: Impossible ()
idnr: 359
16+
12+
6+
9+
12+
17+
9+
19+
14+
13+
10+
12+
6+
17+
17+
7+
Difficulty: Impossible ()
idnr: 1651
12+
21+
6+
12+
882*
1-
14+
4/
12*
12*
20*
18+
10*
9+
7/
19+
90*
Difficulty: Difficult ()
idnr: 1788
10*
168*
7+
21*
42*
12+
10*
10+
11+
11+
48*
8*
14*
18+
140*
216*
12*
Difficulty: Medium ()