|
1.
874 – 575 =
299
4
2
3
|
2.
28 – 9 =
2
19
3
4
|
3.
290 – 221 =
69
2
3
4
|
4.
559 – 121 =
2
4
438
3
|
|
5.
23 – 13 =
10
2
1
3
|
6.
41 + 178 =
219
3
4
2
|
7.
994 + 3 =
3
2
997
4
|
8.
326 + 37 =
2
363
4
3
|
|
9.
677 + 37 =
2
3
714
4
|
10.
924 – 111 =
813
4
3
2
|
11.
867 + 1 =
4
2
868
3
|
12.
298 + 584 =
3
882
4
2
|
|
13.
914 – 464 =
450
2
3
4
|
14.
610 + 190 =
4
3
800
2
|
15.
486 + 386 =
872
2
3
4
|
16.
132 + 249 =
3
2
381
4
|
|
17.
509 + 328 =
4
3
837
2
|
18.
693 + 185 =
4
3
2
878
|
19.
61 – 7 =
2
54
4
3
|
20.
716 – 193 =
4
2
523
3
|
|
1.
874 – 575 =
299
4
2
3
|
2.
28 – 9 =
2
19
3
4
|
3.
290 – 221 =
69
2
3
4
|
4.
559 – 121 =
2
4
438
3
|
|
5.
23 – 13 =
10
2
1
3
|
6.
41 + 178 =
219
3
4
2
|
7.
994 + 3 =
3
2
997
4
|
8.
326 + 37 =
2
363
4
3
|
|
9.
677 + 37 =
2
3
714
4
|
10.
924 – 111 =
813
4
3
2
|
11.
867 + 1 =
4
2
868
3
|
12.
298 + 584 =
3
882
4
2
|
|
13.
914 – 464 =
450
2
3
4
|
14.
610 + 190 =
4
3
800
2
|
15.
486 + 386 =
872
2
3
4
|
16.
132 + 249 =
3
2
381
4
|
|
17.
509 + 328 =
4
3
837
2
|
18.
693 + 185 =
4
3
2
878
|
19.
61 – 7 =
2
54
4
3
|
20.
716 – 193 =
4
2
523
3
|