|
1.
539 + 29 =
2
568
|
2.
627 – 189 =
2
438
|
3.
399 – 337 =
2
62
|
4.
227 + 506 =
2
733
|
|
5.
37 – 1 =
36
2
|
6.
971 + 15 =
986
2
|
7.
343 + 645 =
2
988
|
8.
798 – 575 =
223
2
|
|
9.
273 – 21 =
2
252
|
10.
234 + 244 =
478
2
|
11.
440 – 91 =
349
2
|
12.
656 – 40 =
616
2
|
|
13.
384 – 71 =
313
2
|
14.
984 – 758 =
226
2
|
15.
328 + 452 =
2
780
|
16.
432 – 14 =
2
418
|
|
17.
594 + 238 =
832
2
|
18.
368 + 289 =
2
657
|
19.
252 – 0 =
2
252
|
20.
457 – 224 =
233
2
|
|
1.
539 + 29 =
2
568
|
2.
627 – 189 =
2
438
|
3.
399 – 337 =
2
62
|
4.
227 + 506 =
2
733
|
|
5.
37 – 1 =
36
2
|
6.
971 + 15 =
986
2
|
7.
343 + 645 =
2
988
|
8.
798 – 575 =
223
2
|
|
9.
273 – 21 =
2
252
|
10.
234 + 244 =
478
2
|
11.
440 – 91 =
349
2
|
12.
656 – 40 =
616
2
|
|
13.
384 – 71 =
313
2
|
14.
984 – 758 =
226
2
|
15.
328 + 452 =
2
780
|
16.
432 – 14 =
2
418
|
|
17.
594 + 238 =
832
2
|
18.
368 + 289 =
2
657
|
19.
252 – 0 =
2
252
|
20.
457 – 224 =
233
2
|