Subtraction
10-7
3
7+12
19
4 x 3
12
45/3
15
7 x 3
21
40-12
12+29
41
7 x 5
35
78/3
26
37+45
240-50
190
156+42
198
12 x 12
144
1200/4
300
56 x 3
168
670-325
345
267+420
687
320 x 3
960
900/2
450
823-450
373
1,987-27
1,960
698+324
1,022
45 x 26
1170
1256/4
314
1845/5
369