1.
522 – 61 =
461
4
3
2
|
2.
689 + 289 =
4
978
3
2
|
3.
912 – 185 =
3
2
4
727
|
4.
821 + 118 =
3
939
4
2
|
5.
47 – 15 =
4
3
2
32
|
6.
133 – 38 =
2
4
3
95
|
7.
972 + 17 =
4
989
2
3
|
8.
205 + 192 =
397
4
2
3
|
9.
848 + 107 =
955
3
2
4
|
10.
44 – 15 =
29
4
3
2
|
11.
454 + 495 =
2
949
3
4
|
12.
909 – 351 =
2
3
4
558
|
13.
903 + 63 =
3
966
2
4
|
14.
824 + 10 =
834
4
3
2
|
15.
94 – 69 =
25
2
3
4
|
16.
517 + 283 =
2
800
4
3
|
17.
950 + 43 =
2
4
3
993
|
18.
389 – 69 =
3
2
320
4
|
19.
669 + 40 =
2
709
4
3
|
20.
323 – 78 =
2
4
245
3
|
1.
522 – 61 =
461
4
3
2
|
2.
689 + 289 =
4
978
3
2
|
3.
912 – 185 =
3
2
4
727
|
4.
821 + 118 =
3
939
4
2
|
5.
47 – 15 =
4
3
2
32
|
6.
133 – 38 =
2
4
3
95
|
7.
972 + 17 =
4
989
2
3
|
8.
205 + 192 =
397
4
2
3
|
9.
848 + 107 =
955
3
2
4
|
10.
44 – 15 =
29
4
3
2
|
11.
454 + 495 =
2
949
3
4
|
12.
909 – 351 =
2
3
4
558
|
13.
903 + 63 =
3
966
2
4
|
14.
824 + 10 =
834
4
3
2
|
15.
94 – 69 =
25
2
3
4
|
16.
517 + 283 =
2
800
4
3
|
17.
950 + 43 =
2
4
3
993
|
18.
389 – 69 =
3
2
320
4
|
19.
669 + 40 =
2
709
4
3
|
20.
323 – 78 =
2
4
245
3
|