1.
61 – 9 =
2
3
4
52
|
2.
864 + 90 =
954
2
4
3
|
3.
871 + 115 =
3
4
2
986
|
4.
332 – 1 =
331
3
4
2
|
5.
350 – 122 =
228
4
2
3
|
6.
344 – 116 =
2
3
4
228
|
7.
347 + 381 =
4
728
2
3
|
8.
506 – 284 =
4
3
222
2
|
9.
51 – 4 =
2
3
4
47
|
10.
500 – 68 =
4
432
2
3
|
11.
422 – 220 =
3
2
4
202
|
12.
557 – 500 =
2
57
3
4
|
13.
875 + 86 =
4
3
2
961
|
14.
906 – 817 =
4
2
3
89
|
15.
982 + 10 =
992
4
3
2
|
16.
58 – 46 =
3
12
2
1
|
17.
972 – 705 =
3
4
2
267
|
18.
726 + 24 =
4
2
750
3
|
19.
856 + 137 =
4
3
2
993
|
20.
761 + 156 =
917
2
4
3
|
1.
61 – 9 =
2
3
4
52
|
2.
864 + 90 =
954
2
4
3
|
3.
871 + 115 =
3
4
2
986
|
4.
332 – 1 =
331
3
4
2
|
5.
350 – 122 =
228
4
2
3
|
6.
344 – 116 =
2
3
4
228
|
7.
347 + 381 =
4
728
2
3
|
8.
506 – 284 =
4
3
222
2
|
9.
51 – 4 =
2
3
4
47
|
10.
500 – 68 =
4
432
2
3
|
11.
422 – 220 =
3
2
4
202
|
12.
557 – 500 =
2
57
3
4
|
13.
875 + 86 =
4
3
2
961
|
14.
906 – 817 =
4
2
3
89
|
15.
982 + 10 =
992
4
3
2
|
16.
58 – 46 =
3
12
2
1
|
17.
972 – 705 =
3
4
2
267
|
18.
726 + 24 =
4
2
750
3
|
19.
856 + 137 =
4
3
2
993
|
20.
761 + 156 =
917
2
4
3
|