1.
106 – 24 =
82
2
3
4
|
2.
501 + 352 =
853
2
3
4
|
3.
943 + 39 =
2
982
4
3
|
4.
16 + 855 =
871
2
3
4
|
5.
917 + 56 =
973
3
4
2
|
6.
430 + 245 =
4
675
3
2
|
7.
580 – 529 =
51
3
4
2
|
8.
489 + 353 =
2
842
4
3
|
9.
301 – 0 =
4
2
301
3
|
10.
55 – 35 =
4
3
20
2
|
11.
123 + 223 =
346
4
2
3
|
12.
210 – 193 =
3
17
4
2
|
13.
172 – 15 =
3
2
157
4
|
14.
567 – 224 =
3
4
2
343
|
15.
24 + 527 =
4
551
3
2
|
16.
323 + 441 =
4
764
2
3
|
17.
21 – 12 =
1
2
3
9
|
18.
699 – 603 =
2
96
3
4
|
19.
958 – 859 =
2
99
3
4
|
20.
913 – 22 =
4
2
3
891
|
1.
106 – 24 =
82
2
3
4
|
2.
501 + 352 =
853
2
3
4
|
3.
943 + 39 =
2
982
4
3
|
4.
16 + 855 =
871
2
3
4
|
5.
917 + 56 =
973
3
4
2
|
6.
430 + 245 =
4
675
3
2
|
7.
580 – 529 =
51
3
4
2
|
8.
489 + 353 =
2
842
4
3
|
9.
301 – 0 =
4
2
301
3
|
10.
55 – 35 =
4
3
20
2
|
11.
123 + 223 =
346
4
2
3
|
12.
210 – 193 =
3
17
4
2
|
13.
172 – 15 =
3
2
157
4
|
14.
567 – 224 =
3
4
2
343
|
15.
24 + 527 =
4
551
3
2
|
16.
323 + 441 =
4
764
2
3
|
17.
21 – 12 =
1
2
3
9
|
18.
699 – 603 =
2
96
3
4
|
19.
958 – 859 =
2
99
3
4
|
20.
913 – 22 =
4
2
3
891
|