|
1.
991 + 4 =
4
3
995
2
|
2.
861 – 388 =
3
2
473
4
|
3.
468 + 326 =
3
4
2
794
|
4.
393 + 31 =
4
2
3
424
|
|
5.
820 – 794 =
4
3
26
2
|
6.
906 – 350 =
556
4
2
3
|
7.
315 – 299 =
4
2
3
16
|
8.
952 + 7 =
4
2
959
3
|
|
9.
857 – 28 =
2
829
4
3
|
10.
553 – 485 =
3
2
4
68
|
11.
356 + 267 =
4
3
623
2
|
12.
782 + 42 =
4
2
3
824
|
|
13.
567 + 150 =
717
2
3
4
|
14.
67 – 50 =
2
17
4
3
|
15.
583 – 9 =
574
4
2
3
|
16.
586 + 230 =
3
2
816
4
|
|
17.
649 + 217 =
866
2
3
4
|
18.
829 – 747 =
4
3
2
82
|
19.
113 – 100 =
13
3
1
2
|
20.
973 – 218 =
755
3
2
4
|
|
1.
991 + 4 =
4
3
995
2
|
2.
861 – 388 =
3
2
473
4
|
3.
468 + 326 =
3
4
2
794
|
4.
393 + 31 =
4
2
3
424
|
|
5.
820 – 794 =
4
3
26
2
|
6.
906 – 350 =
556
4
2
3
|
7.
315 – 299 =
4
2
3
16
|
8.
952 + 7 =
4
2
959
3
|
|
9.
857 – 28 =
2
829
4
3
|
10.
553 – 485 =
3
2
4
68
|
11.
356 + 267 =
4
3
623
2
|
12.
782 + 42 =
4
2
3
824
|
|
13.
567 + 150 =
717
2
3
4
|
14.
67 – 50 =
2
17
4
3
|
15.
583 – 9 =
574
4
2
3
|
16.
586 + 230 =
3
2
816
4
|
|
17.
649 + 217 =
866
2
3
4
|
18.
829 – 747 =
4
3
2
82
|
19.
113 – 100 =
13
3
1
2
|
20.
973 – 218 =
755
3
2
4
|