|
1.
537 + 50 =
587
3
4
2
|
2.
498 + 60 =
558
3
2
4
|
3.
471 + 100 =
571
2
3
4
|
4.
189 + 70 =
4
2
3
259
|
|
5.
353 – 100 =
2
4
253
3
|
6.
417 + 100 =
3
2
517
4
|
7.
319 – 50 =
3
269
2
4
|
8.
777 + 80 =
4
2
857
3
|
|
9.
235 + 50 =
2
285
4
3
|
10.
756 – 20 =
736
3
4
2
|
11.
183 + 40 =
223
2
4
3
|
12.
513 + 10 =
523
2
4
3
|
|
13.
689 + 40 =
4
2
729
3
|
14.
465 + 60 =
2
4
525
3
|
15.
314 – 100 =
4
214
3
2
|
16.
917 + 70 =
3
987
2
4
|
|
17.
659 – 80 =
2
579
3
4
|
18.
974 – 60 =
3
2
4
914
|
19.
967 – 20 =
2
4
3
947
|
20.
570 – 90 =
3
4
480
2
|
|
1.
537 + 50 =
587
3
4
2
|
2.
498 + 60 =
558
3
2
4
|
3.
471 + 100 =
571
2
3
4
|
4.
189 + 70 =
4
2
3
259
|
|
5.
353 – 100 =
2
4
253
3
|
6.
417 + 100 =
3
2
517
4
|
7.
319 – 50 =
3
269
2
4
|
8.
777 + 80 =
4
2
857
3
|
|
9.
235 + 50 =
2
285
4
3
|
10.
756 – 20 =
736
3
4
2
|
11.
183 + 40 =
223
2
4
3
|
12.
513 + 10 =
523
2
4
3
|
|
13.
689 + 40 =
4
2
729
3
|
14.
465 + 60 =
2
4
525
3
|
15.
314 – 100 =
4
214
3
2
|
16.
917 + 70 =
3
987
2
4
|
|
17.
659 – 80 =
2
579
3
4
|
18.
974 – 60 =
3
2
4
914
|
19.
967 – 20 =
2
4
3
947
|
20.
570 – 90 =
3
4
480
2
|