plus
67+67
134
67x6
402
90/6
15
192-62
130
43+21-6
58
123+456
579
8x2
16
27/8
3.375
621-212
409
213-2
211
456+678
1134
43x9
387
21/4
5.25
912-845
67
23x65-43
1452
2957+765
3722
32x45
1.440
112/8
14
2163-231
1932
8347-21
8326
4576+897+6767+6.7
12246,7
543x67
36.381
72/12
6
2415-837
1578
45x23+56x3-6
1197