|
1.
849 + 50 =
3
4
2
899
|
2.
478 + 80 =
558
3
4
2
|
3.
511 – 50 =
4
2
3
461
|
4.
477 + 50 =
4
527
3
2
|
|
5.
438 + 20 =
458
3
2
4
|
6.
605 – 50 =
2
555
3
4
|
7.
900 + 30 =
3
930
2
4
|
8.
970 – 60 =
910
3
4
2
|
|
9.
319 – 10 =
3
2
4
309
|
10.
199 + 90 =
289
3
4
2
|
11.
463 – 90 =
4
3
2
373
|
12.
423 + 40 =
2
3
4
463
|
|
13.
435 + 90 =
4
525
3
2
|
14.
241 – 40 =
201
3
2
4
|
15.
823 + 100 =
2
923
4
3
|
16.
288 + 30 =
3
4
2
318
|
|
17.
810 + 60 =
2
870
4
3
|
18.
611 – 60 =
3
551
2
4
|
19.
767 – 70 =
2
3
4
697
|
20.
663 + 100 =
763
4
2
3
|
|
1.
849 + 50 =
3
4
2
899
|
2.
478 + 80 =
558
3
4
2
|
3.
511 – 50 =
4
2
3
461
|
4.
477 + 50 =
4
527
3
2
|
|
5.
438 + 20 =
458
3
2
4
|
6.
605 – 50 =
2
555
3
4
|
7.
900 + 30 =
3
930
2
4
|
8.
970 – 60 =
910
3
4
2
|
|
9.
319 – 10 =
3
2
4
309
|
10.
199 + 90 =
289
3
4
2
|
11.
463 – 90 =
4
3
2
373
|
12.
423 + 40 =
2
3
4
463
|
|
13.
435 + 90 =
4
525
3
2
|
14.
241 – 40 =
201
3
2
4
|
15.
823 + 100 =
2
923
4
3
|
16.
288 + 30 =
3
4
2
318
|
|
17.
810 + 60 =
2
870
4
3
|
18.
611 – 60 =
3
551
2
4
|
19.
767 – 70 =
2
3
4
697
|
20.
663 + 100 =
763
4
2
3
|