subtraction
7-3
5
75+3928
4003
2x2
4
6/2
3
2.7+8.3
11.0
14-8
6
272+9082
11802
7x6
42
7/2
3r1
2.3+2.7
5.0
27-9
18
1,000,000+27
1,000,027
10x10
100
16/2
8
7.3+6.2
13.5
117-103
14
2723+627
3350
7x4
28
5/2
2r1
12.4+23.3
35.7
1008-972
36
900+27
927
2x9
18
14/2
7
23.2+15.1
38.3