addition
7+12
19
100-50
50
2x12
24
96 divided by 12
8
(5+5)x7=
70
9+12
21
234-134
100
3x8
24
108 divided by 12
9
(7+9)+5
21
2003+435
2438
564-342
222
11x5
55
90 divided by 9
10
(90+10)+20
120
5421+2014
7435
2537-1432
1105
11x13
143
144 divided by 12
12
(7+10)+23
30
8529+2563
11092
5653-1235
4418
12x12
144
54 divided by 7
6
(2x6)x12
144