|
1.
503 + 10 =
513
2
|
2.
883 + 80 =
2
963
|
3.
287 + 30 =
317
2
|
4.
328 + 90 =
418
2
|
|
5.
530 – 10 =
520
2
|
6.
194 – 60 =
2
134
|
7.
508 + 90 =
598
2
|
8.
518 + 80 =
598
2
|
|
9.
469 – 50 =
419
2
|
10.
167 – 60 =
107
2
|
11.
474 + 50 =
2
524
|
12.
898 + 30 =
2
928
|
|
13.
422 – 60 =
362
2
|
14.
551 + 20 =
571
2
|
15.
449 – 90 =
2
359
|
16.
113 + 40 =
2
153
|
|
17.
876 – 70 =
2
806
|
18.
569 + 10 =
579
2
|
19.
264 – 60 =
204
2
|
20.
944 – 50 =
894
2
|
|
1.
503 + 10 =
513
2
|
2.
883 + 80 =
2
963
|
3.
287 + 30 =
317
2
|
4.
328 + 90 =
418
2
|
|
5.
530 – 10 =
520
2
|
6.
194 – 60 =
2
134
|
7.
508 + 90 =
598
2
|
8.
518 + 80 =
598
2
|
|
9.
469 – 50 =
419
2
|
10.
167 – 60 =
107
2
|
11.
474 + 50 =
2
524
|
12.
898 + 30 =
2
928
|
|
13.
422 – 60 =
362
2
|
14.
551 + 20 =
571
2
|
15.
449 – 90 =
2
359
|
16.
113 + 40 =
2
153
|
|
17.
876 – 70 =
2
806
|
18.
569 + 10 =
579
2
|
19.
264 – 60 =
204
2
|
20.
944 – 50 =
894
2
|