|
1.
571 + 306 =
4
2
3
877
|
2.
464 + 19 =
483
2
3
4
|
3.
918 – 566 =
352
2
3
4
|
4.
21 + 374 =
395
2
3
4
|
|
5.
364 – 204 =
2
4
160
3
|
6.
127 – 99 =
2
4
28
3
|
7.
129 – 107 =
3
2
4
22
|
8.
876 – 311 =
565
3
4
2
|
|
9.
392 + 189 =
3
581
4
2
|
10.
27 + 702 =
729
4
3
2
|
11.
51 – 39 =
12
1
3
2
|
12.
508 + 203 =
711
2
4
3
|
|
13.
502 – 84 =
418
2
3
4
|
14.
420 + 374 =
3
794
4
2
|
15.
21 – 7 =
1
2
14
3
|
16.
375 – 52 =
3
2
323
4
|
|
17.
233 + 264 =
4
497
3
2
|
18.
443 + 477 =
3
4
2
920
|
19.
487 + 45 =
4
532
2
3
|
20.
758 + 131 =
2
3
4
889
|
|
1.
571 + 306 =
4
2
3
877
|
2.
464 + 19 =
483
2
3
4
|
3.
918 – 566 =
352
2
3
4
|
4.
21 + 374 =
395
2
3
4
|
|
5.
364 – 204 =
2
4
160
3
|
6.
127 – 99 =
2
4
28
3
|
7.
129 – 107 =
3
2
4
22
|
8.
876 – 311 =
565
3
4
2
|
|
9.
392 + 189 =
3
581
4
2
|
10.
27 + 702 =
729
4
3
2
|
11.
51 – 39 =
12
1
3
2
|
12.
508 + 203 =
711
2
4
3
|
|
13.
502 – 84 =
418
2
3
4
|
14.
420 + 374 =
3
794
4
2
|
15.
21 – 7 =
1
2
14
3
|
16.
375 – 52 =
3
2
323
4
|
|
17.
233 + 264 =
4
497
3
2
|
18.
443 + 477 =
3
4
2
920
|
19.
487 + 45 =
4
532
2
3
|
20.
758 + 131 =
2
3
4
889
|