addition
175+545
720
125-75
50
75+25
100
87-75
12
97+85
182
464+856
1,320
209-109
100
123+321
444
275-25
250
97+227
324
980+867=
1,847
456-324
132
435+324
759
623-432
191
453+234
687
1,062+564=
1,626
904-876
28
867+543
1,410
432-342
110
768+908
1,676
1,754+2,986
3,740
6,754-8,908
2,154
3,498+689
4,186
1,568-579
1,189
987+465
1,452