idnr: 2301
63*
17+
2016*
384*
20*
2-
2-
3
48*
45*
12+
9
144*
13+
20*
17+
27*
11+
168*
31+
6/
32*
14*
18*
80*
13+
2/
9/
21+
Difficulty: Difficult ()
idnr: 3858
25+
84*
13+
105*
15+
16+
378*
48*
6
26+
3
45*
9+
432*
18+
30*
2-
20+
11+
17+
75*
11+
112*
7
12+
216*
15+
2-
Difficulty: Difficult ()
idnr: 1740
5*
2688*
15*
108*
32*
378*
12*
360*
378*
30*
256*
120*
378*
336*
189*
240*
48*
140*
540*
210*
18*
36*
576*
168*
Difficulty: Medium ()
idnr: 3220
96*
19+
9*
10+
8+
11+
22+
24+
14+
5-
8-
10+
9+
336*
6+
288*
3
18+
1-
8+
20*
25+
96*
8*
126*
17+
6-
2*
135*
12+
72*
Difficulty: Difficult ()