|
1.
999 + 1 =
4
1000
3
2
|
2.
442 – 389 =
3
4
2
53
|
3.
819 + 27 =
846
4
3
2
|
4.
611 + 44 =
4
3
2
655
|
|
5.
440 + 265 =
3
2
4
705
|
6.
874 + 31 =
4
905
2
3
|
7.
505 + 403 =
2
908
4
3
|
8.
42 + 633 =
3
675
4
2
|
|
9.
639 + 185 =
824
4
2
3
|
10.
98 – 68 =
2
30
3
4
|
11.
34 + 185 =
2
4
219
3
|
12.
115 – 109 =
1
2
6
3
|
|
13.
305 + 525 =
2
4
830
3
|
14.
942 – 399 =
3
4
543
2
|
15.
838 – 463 =
3
4
2
375
|
16.
204 – 93 =
4
2
111
3
|
|
17.
293 – 161 =
4
132
2
3
|
18.
833 + 34 =
3
4
867
2
|
19.
662 + 336 =
4
2
3
998
|
20.
595 – 131 =
464
2
3
4
|
|
1.
999 + 1 =
4
1000
3
2
|
2.
442 – 389 =
3
4
2
53
|
3.
819 + 27 =
846
4
3
2
|
4.
611 + 44 =
4
3
2
655
|
|
5.
440 + 265 =
3
2
4
705
|
6.
874 + 31 =
4
905
2
3
|
7.
505 + 403 =
2
908
4
3
|
8.
42 + 633 =
3
675
4
2
|
|
9.
639 + 185 =
824
4
2
3
|
10.
98 – 68 =
2
30
3
4
|
11.
34 + 185 =
2
4
219
3
|
12.
115 – 109 =
1
2
6
3
|
|
13.
305 + 525 =
2
4
830
3
|
14.
942 – 399 =
3
4
543
2
|
15.
838 – 463 =
3
4
2
375
|
16.
204 – 93 =
4
2
111
3
|
|
17.
293 – 161 =
4
132
2
3
|
18.
833 + 34 =
3
4
867
2
|
19.
662 + 336 =
4
2
3
998
|
20.
595 – 131 =
464
2
3
4
|