Adding
8
12-3
2x2
4
4/2
2
6+6
12
17
30-30
0
2x5
10
30/5
6
5x5
25
20+11
31
45-15
30
2x8
16
100/10
10
30/6
5
45+20
55-5
50
5x6
30
12/2
6
(write this in numbered form) one hundred and fifty five
155
60+30
100-60
40
10x10
100
400/100
4
12c - 6(c - 5)
6c + 30