|
1.
503 + 411 =
2
3
914
4
|
2.
607 – 337 =
270
2
4
3
|
3.
160 + 553 =
713
3
4
2
|
4.
437 – 185 =
2
3
4
252
|
|
5.
829 + 66 =
4
2
3
895
|
6.
676 – 605 =
4
71
3
2
|
7.
307 – 238 =
3
69
2
4
|
8.
453 – 406 =
47
4
2
3
|
|
9.
513 – 203 =
310
4
2
3
|
10.
965 – 895 =
70
3
4
2
|
11.
87 – 22 =
2
3
65
4
|
12.
467 + 80 =
547
3
2
4
|
|
13.
452 + 545 =
4
2
997
3
|
14.
70 – 20 =
50
4
3
2
|
15.
671 + 15 =
3
2
4
686
|
16.
239 + 379 =
3
618
2
4
|
|
17.
309 – 226 =
2
4
83
3
|
18.
878 + 28 =
4
2
906
3
|
19.
920 + 11 =
931
4
3
2
|
20.
621 + 357 =
978
4
2
3
|
|
1.
503 + 411 =
2
3
914
4
|
2.
607 – 337 =
270
2
4
3
|
3.
160 + 553 =
713
3
4
2
|
4.
437 – 185 =
2
3
4
252
|
|
5.
829 + 66 =
4
2
3
895
|
6.
676 – 605 =
4
71
3
2
|
7.
307 – 238 =
3
69
2
4
|
8.
453 – 406 =
47
4
2
3
|
|
9.
513 – 203 =
310
4
2
3
|
10.
965 – 895 =
70
3
4
2
|
11.
87 – 22 =
2
3
65
4
|
12.
467 + 80 =
547
3
2
4
|
|
13.
452 + 545 =
4
2
997
3
|
14.
70 – 20 =
50
4
3
2
|
15.
671 + 15 =
3
2
4
686
|
16.
239 + 379 =
3
618
2
4
|
|
17.
309 – 226 =
2
4
83
3
|
18.
878 + 28 =
4
2
906
3
|
19.
920 + 11 =
931
4
3
2
|
20.
621 + 357 =
978
4
2
3
|