Algebra
159+265
424
2x2
4
100+506
606
109+32
141
2+2x4
10
5x9
45
11x11
121
7x8
56
6x8
48
5x12+72
132
6x21
126
35x35
1225
5x72
360
7x31
217
11x21+9
240
21x18
378
47x47
2209
34x19
646
35x21
735
51x3+42
195
59x32
1888
102x102
10404
79x36
2844
200x21
4200
600