|
1.
12 – 2 =
2
3
1
10
|
2.
983 + 15 =
4
998
3
2
|
3.
229 + 244 =
3
2
4
473
|
4.
593 – 23 =
2
4
570
3
|
|
5.
997 + 2 =
3
2
999
4
|
6.
552 – 316 =
236
2
4
3
|
7.
901 – 487 =
4
2
414
3
|
8.
929 + 36 =
3
4
965
2
|
|
9.
596 – 12 =
2
4
584
3
|
10.
157 – 124 =
2
4
33
3
|
11.
207 – 187 =
20
2
4
3
|
12.
620 + 143 =
763
2
4
3
|
|
13.
739 + 80 =
2
4
3
819
|
14.
763 – 695 =
68
4
2
3
|
15.
630 + 120 =
4
2
750
3
|
16.
468 + 406 =
4
2
874
3
|
|
17.
348 – 129 =
4
2
219
3
|
18.
533 – 260 =
4
3
273
2
|
19.
589 + 338 =
927
2
4
3
|
20.
567 + 92 =
4
3
659
2
|
|
1.
12 – 2 =
2
3
1
10
|
2.
983 + 15 =
4
998
3
2
|
3.
229 + 244 =
3
2
4
473
|
4.
593 – 23 =
2
4
570
3
|
|
5.
997 + 2 =
3
2
999
4
|
6.
552 – 316 =
236
2
4
3
|
7.
901 – 487 =
4
2
414
3
|
8.
929 + 36 =
3
4
965
2
|
|
9.
596 – 12 =
2
4
584
3
|
10.
157 – 124 =
2
4
33
3
|
11.
207 – 187 =
20
2
4
3
|
12.
620 + 143 =
763
2
4
3
|
|
13.
739 + 80 =
2
4
3
819
|
14.
763 – 695 =
68
4
2
3
|
15.
630 + 120 =
4
2
750
3
|
16.
468 + 406 =
4
2
874
3
|
|
17.
348 – 129 =
4
2
219
3
|
18.
533 – 260 =
4
3
273
2
|
19.
589 + 338 =
927
2
4
3
|
20.
567 + 92 =
4
3
659
2
|