Addition
3+2
3+2 = 5
4-1
4-1=3
2*2
2*2=4
6/3
6/3=2
2+1
2+1 = 3
5+4
5+4 = 9
6-4
6-4=2
5*4
5*4=20
12/3
12/3=4
3+4
3+4 = 7
8+9
8+9 = 17
12-8
12-8=4
8*7
8*7=56
24/4=6
5-1
5-1 = 4
12+8
12+8 = 20
18-9
18-9=9
7*3
7*3=21
30/5
30/5 = 6
6-2
6-2=4
324 + 479
324 + 479 = 803
67-49
67-49=18
12*5
12*5 = 60
144/12
144/12 = 12
12/5
12/5 = 2 R 2