|
1.
81 + 783 =
864
2
|
2.
907 + 57 =
964
2
|
3.
721 – 292 =
2
429
|
4.
928 – 31 =
2
897
|
|
5.
758 – 758 =
2
0
|
6.
929 + 55 =
2
984
|
7.
31 + 424 =
455
2
|
8.
53 – 1 =
52
2
|
|
9.
764 – 34 =
2
730
|
10.
842 – 767 =
2
75
|
11.
937 – 933 =
4
1
|
12.
920 + 3 =
2
923
|
|
13.
647 + 331 =
2
978
|
14.
881 – 355 =
2
526
|
15.
654 + 189 =
843
2
|
16.
410 + 77 =
2
487
|
|
17.
207 + 310 =
2
517
|
18.
619 + 138 =
2
757
|
19.
318 – 281 =
2
37
|
20.
107 + 661 =
2
768
|
|
1.
81 + 783 =
864
2
|
2.
907 + 57 =
964
2
|
3.
721 – 292 =
2
429
|
4.
928 – 31 =
2
897
|
|
5.
758 – 758 =
2
0
|
6.
929 + 55 =
2
984
|
7.
31 + 424 =
455
2
|
8.
53 – 1 =
52
2
|
|
9.
764 – 34 =
2
730
|
10.
842 – 767 =
2
75
|
11.
937 – 933 =
4
1
|
12.
920 + 3 =
2
923
|
|
13.
647 + 331 =
2
978
|
14.
881 – 355 =
2
526
|
15.
654 + 189 =
843
2
|
16.
410 + 77 =
2
487
|
|
17.
207 + 310 =
2
517
|
18.
619 + 138 =
2
757
|
19.
318 – 281 =
2
37
|
20.
107 + 661 =
2
768
|