addition
1321+324
1645
234-166
68
2x6
12
4*1
4
1/3=3/?
9
3841+847
4688
675-54
631
5x9
45
8*2
4
2/5=?/15
6
1234+5678
6912
3454-676
2778
12x12
144
18*3
6
12/4=?
24/8, 36/12, 6/2, 3/1, etc.
65746+56764
122510
6741-1234
5507
15x2
30
96*14
6 r12
1/15 (<,>,=) 3/45
=
754983+745817
1500800
75849-2234
73615
34x67
2278
122*13
9 r5
3/4 (<,>,=) 11/13
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