|
1.
844 + 20 =
2
3
4
864
|
2.
975 – 30 =
4
3
2
945
|
3.
950 – 10 =
3
4
940
2
|
4.
482 – 50 =
2
3
432
4
|
|
5.
730 + 50 =
780
4
2
3
|
6.
422 + 90 =
4
3
512
2
|
7.
793 – 10 =
783
4
2
3
|
8.
220 + 20 =
3
4
2
240
|
|
9.
781 – 90 =
2
4
691
3
|
10.
678 – 70 =
608
4
3
2
|
11.
257 + 60 =
317
2
3
4
|
12.
493 – 100 =
3
4
2
393
|
|
13.
640 – 60 =
3
4
2
580
|
14.
399 + 60 =
459
2
3
4
|
15.
957 – 60 =
4
897
2
3
|
16.
581 – 70 =
4
511
2
3
|
|
17.
593 – 60 =
2
4
533
3
|
18.
549 – 10 =
4
2
539
3
|
19.
554 – 60 =
4
494
2
3
|
20.
636 + 50 =
686
2
4
3
|
|
1.
844 + 20 =
2
3
4
864
|
2.
975 – 30 =
4
3
2
945
|
3.
950 – 10 =
3
4
940
2
|
4.
482 – 50 =
2
3
432
4
|
|
5.
730 + 50 =
780
4
2
3
|
6.
422 + 90 =
4
3
512
2
|
7.
793 – 10 =
783
4
2
3
|
8.
220 + 20 =
3
4
2
240
|
|
9.
781 – 90 =
2
4
691
3
|
10.
678 – 70 =
608
4
3
2
|
11.
257 + 60 =
317
2
3
4
|
12.
493 – 100 =
3
4
2
393
|
|
13.
640 – 60 =
3
4
2
580
|
14.
399 + 60 =
459
2
3
4
|
15.
957 – 60 =
4
897
2
3
|
16.
581 – 70 =
4
511
2
3
|
|
17.
593 – 60 =
2
4
533
3
|
18.
549 – 10 =
4
2
539
3
|
19.
554 – 60 =
4
494
2
3
|
20.
636 + 50 =
686
2
4
3
|