|
1.
359 + 30 =
4
2
389
3
|
2.
621 + 20 =
2
3
4
641
|
3.
643 + 40 =
3
4
2
683
|
4.
266 – 60 =
3
206
4
2
|
|
5.
518 – 80 =
2
438
3
4
|
6.
298 + 30 =
328
4
3
2
|
7.
796 – 80 =
716
4
2
3
|
8.
628 + 70 =
4
698
2
3
|
|
9.
433 – 30 =
2
3
403
4
|
10.
846 – 60 =
3
4
2
786
|
11.
243 – 80 =
4
2
163
3
|
12.
873 – 50 =
4
3
2
823
|
|
13.
343 + 10 =
4
2
353
3
|
14.
596 – 50 =
2
4
546
3
|
15.
991 + 20 =
3
2
4
1011
|
16.
821 – 50 =
771
2
4
3
|
|
17.
377 – 50 =
3
4
2
327
|
18.
743 + 100 =
2
843
3
4
|
19.
929 – 10 =
919
4
2
3
|
20.
855 + 90 =
2
3
945
4
|
|
1.
359 + 30 =
4
2
389
3
|
2.
621 + 20 =
2
3
4
641
|
3.
643 + 40 =
3
4
2
683
|
4.
266 – 60 =
3
206
4
2
|
|
5.
518 – 80 =
2
438
3
4
|
6.
298 + 30 =
328
4
3
2
|
7.
796 – 80 =
716
4
2
3
|
8.
628 + 70 =
4
698
2
3
|
|
9.
433 – 30 =
2
3
403
4
|
10.
846 – 60 =
3
4
2
786
|
11.
243 – 80 =
4
2
163
3
|
12.
873 – 50 =
4
3
2
823
|
|
13.
343 + 10 =
4
2
353
3
|
14.
596 – 50 =
2
4
546
3
|
15.
991 + 20 =
3
2
4
1011
|
16.
821 – 50 =
771
2
4
3
|
|
17.
377 – 50 =
3
4
2
327
|
18.
743 + 100 =
2
843
3
4
|
19.
929 – 10 =
919
4
2
3
|
20.
855 + 90 =
2
3
945
4
|