|
1.
950 + 10 =
960
2
|
2.
286 – 70 =
2
216
|
3.
709 – 90 =
619
2
|
4.
430 – 10 =
420
2
|
|
5.
218 + 50 =
2
268
|
6.
977 + 50 =
1027
2
|
7.
502 – 80 =
422
2
|
8.
670 + 100 =
770
2
|
|
9.
491 + 100 =
2
591
|
10.
493 + 30 =
523
2
|
11.
656 – 50 =
606
2
|
12.
311 – 80 =
2
231
|
|
13.
447 – 10 =
2
437
|
14.
415 – 100 =
315
2
|
15.
260 + 80 =
2
340
|
16.
795 + 10 =
2
805
|
|
17.
945 – 10 =
935
2
|
18.
662 + 70 =
732
2
|
19.
213 + 80 =
293
2
|
20.
623 – 100 =
2
523
|
|
1.
950 + 10 =
960
2
|
2.
286 – 70 =
2
216
|
3.
709 – 90 =
619
2
|
4.
430 – 10 =
420
2
|
|
5.
218 + 50 =
2
268
|
6.
977 + 50 =
1027
2
|
7.
502 – 80 =
422
2
|
8.
670 + 100 =
770
2
|
|
9.
491 + 100 =
2
591
|
10.
493 + 30 =
523
2
|
11.
656 – 50 =
606
2
|
12.
311 – 80 =
2
231
|
|
13.
447 – 10 =
2
437
|
14.
415 – 100 =
315
2
|
15.
260 + 80 =
2
340
|
16.
795 + 10 =
2
805
|
|
17.
945 – 10 =
935
2
|
18.
662 + 70 =
732
2
|
19.
213 + 80 =
293
2
|
20.
623 – 100 =
2
523
|