|
1.
22 – 1 =
2
21
|
2.
717 + 256 =
2
973
|
3.
489 – 144 =
2
345
|
4.
999 + 1 =
1000
2
|
|
5.
141 – 56 =
85
2
|
6.
401 – 313 =
88
2
|
7.
64 – 57 =
7
1
|
8.
619 + 326 =
945
2
|
|
9.
17 – 16 =
2
1
|
10.
868 – 178 =
690
2
|
11.
884 + 44 =
2
928
|
12.
119 + 459 =
578
2
|
|
13.
359 – 272 =
87
2
|
14.
607 – 351 =
256
2
|
15.
7 + 742 =
2
749
|
16.
919 + 0 =
919
2
|
|
17.
721 + 2 =
2
723
|
18.
520 + 157 =
677
2
|
19.
125 – 83 =
2
42
|
20.
879 – 208 =
2
671
|
|
1.
22 – 1 =
2
21
|
2.
717 + 256 =
2
973
|
3.
489 – 144 =
2
345
|
4.
999 + 1 =
1000
2
|
|
5.
141 – 56 =
85
2
|
6.
401 – 313 =
88
2
|
7.
64 – 57 =
7
1
|
8.
619 + 326 =
945
2
|
|
9.
17 – 16 =
2
1
|
10.
868 – 178 =
690
2
|
11.
884 + 44 =
2
928
|
12.
119 + 459 =
578
2
|
|
13.
359 – 272 =
87
2
|
14.
607 – 351 =
256
2
|
15.
7 + 742 =
2
749
|
16.
919 + 0 =
919
2
|
|
17.
721 + 2 =
2
723
|
18.
520 + 157 =
677
2
|
19.
125 – 83 =
2
42
|
20.
879 – 208 =
2
671
|