Addition
22+5
27
5-5
0
7*7
49
81/9
9
K+K
2K
45+45
90
11-23
-12
12*9
108
144/12
12
23/4
5.75
53+52
105
68-53
15
13*4
52
56/3
18.6
1/2+2/3
1 1/6
107+109
216
124-58
66
12*24
288
115/5
23
50+60*2
170
594+823
1417
823-784
39
32*52
1664
90/12
7.5
(30+10-20)*5
100