|
1.
39 + 658 =
4
2
697
3
|
2.
320 – 31 =
3
2
289
4
|
3.
778 – 580 =
2
198
4
3
|
4.
225 + 641 =
3
2
4
866
|
|
5.
618 + 254 =
4
2
3
872
|
6.
521 + 365 =
4
2
886
3
|
7.
91 – 22 =
2
4
69
3
|
8.
418 – 168 =
2
3
250
4
|
|
9.
950 – 447 =
2
503
4
3
|
10.
165 – 42 =
4
123
2
3
|
11.
789 – 635 =
4
3
154
2
|
12.
28 + 524 =
2
552
3
4
|
|
13.
752 – 82 =
4
2
670
3
|
14.
940 + 49 =
2
3
989
4
|
15.
661 + 117 =
4
2
778
3
|
16.
590 + 87 =
677
3
4
2
|
|
17.
340 – 250 =
4
3
2
90
|
18.
542 – 55 =
487
3
2
4
|
19.
117 + 696 =
813
3
4
2
|
20.
844 + 1 =
2
3
845
4
|
|
1.
39 + 658 =
4
2
697
3
|
2.
320 – 31 =
3
2
289
4
|
3.
778 – 580 =
2
198
4
3
|
4.
225 + 641 =
3
2
4
866
|
|
5.
618 + 254 =
4
2
3
872
|
6.
521 + 365 =
4
2
886
3
|
7.
91 – 22 =
2
4
69
3
|
8.
418 – 168 =
2
3
250
4
|
|
9.
950 – 447 =
2
503
4
3
|
10.
165 – 42 =
4
123
2
3
|
11.
789 – 635 =
4
3
154
2
|
12.
28 + 524 =
2
552
3
4
|
|
13.
752 – 82 =
4
2
670
3
|
14.
940 + 49 =
2
3
989
4
|
15.
661 + 117 =
4
2
778
3
|
16.
590 + 87 =
677
3
4
2
|
|
17.
340 – 250 =
4
3
2
90
|
18.
542 – 55 =
487
3
2
4
|
19.
117 + 696 =
813
3
4
2
|
20.
844 + 1 =
2
3
845
4
|