|
1.
531 – 131 =
2
400
|
2.
627 + 78 =
2
705
|
3.
135 + 583 =
718
2
|
4.
845 – 5 =
2
840
|
|
5.
577 + 47 =
2
624
|
6.
570 – 457 =
113
2
|
7.
778 – 736 =
42
2
|
8.
972 – 405 =
567
2
|
|
9.
417 + 371 =
788
2
|
10.
99 + 797 =
896
2
|
11.
824 – 268 =
2
556
|
12.
735 + 143 =
2
878
|
|
13.
504 – 284 =
2
220
|
14.
81 + 289 =
370
2
|
15.
16 – 3 =
13
1
|
16.
692 + 117 =
809
2
|
|
17.
534 – 501 =
33
2
|
18.
839 – 147 =
2
692
|
19.
512 + 203 =
715
2
|
20.
952 – 90 =
2
862
|
|
1.
531 – 131 =
2
400
|
2.
627 + 78 =
2
705
|
3.
135 + 583 =
718
2
|
4.
845 – 5 =
2
840
|
|
5.
577 + 47 =
2
624
|
6.
570 – 457 =
113
2
|
7.
778 – 736 =
42
2
|
8.
972 – 405 =
567
2
|
|
9.
417 + 371 =
788
2
|
10.
99 + 797 =
896
2
|
11.
824 – 268 =
2
556
|
12.
735 + 143 =
2
878
|
|
13.
504 – 284 =
2
220
|
14.
81 + 289 =
370
2
|
15.
16 – 3 =
13
1
|
16.
692 + 117 =
809
2
|
|
17.
534 – 501 =
33
2
|
18.
839 – 147 =
2
692
|
19.
512 + 203 =
715
2
|
20.
952 – 90 =
2
862
|