15+18
33
8-12
-4
13x2
26
1/1
1
2x2+5
9
9+8
17
35-21
14
8x9
72
18/2
4/4+3
4
45+28
73
48-35
13
12x8
96
48/4
12
2(3+5)-8
8
167+289
456
248-99
149
11x20
220
90/6
15
1/4+3/12
1/2