easy
2+2
4
2x10
20
34x12
408
435x42
18270
1746x332
579672
10+10
20
7x5
35
321+76
397
123x34
4182
1214x536
650704
30+30
60
10x5
50
321x2
642
345x76
26220
47543x2
9508
40+40
80
7x8
56
43x21
903
452x57
25764
13434x3
40302
100+125
225
9x12
108
1+1
2
129x10
1290
1937836x34
65886424