1.
69 – 18 =
51
2
3
4
|
2.
572 + 115 =
687
4
2
3
|
3.
305 – 35 =
2
3
270
4
|
4.
533 – 294 =
4
239
2
3
|
5.
763 – 370 =
393
3
2
4
|
6.
606 – 273 =
3
333
2
4
|
7.
925 – 736 =
2
3
189
4
|
8.
38 – 30 =
2
3
1
8
|
9.
551 + 266 =
3
2
817
4
|
10.
34 + 950 =
2
984
3
4
|
11.
187 + 210 =
4
3
2
397
|
12.
915 – 748 =
167
2
3
4
|
13.
110 + 268 =
378
4
3
2
|
14.
851 + 24 =
3
4
875
2
|
15.
198 + 677 =
4
2
875
3
|
16.
77 – 9 =
4
3
68
2
|
17.
461 + 276 =
4
3
737
2
|
18.
954 + 1 =
4
955
2
3
|
19.
93 + 475 =
2
3
568
4
|
20.
597 + 346 =
3
2
4
943
|
1.
69 – 18 =
51
2
3
4
|
2.
572 + 115 =
687
4
2
3
|
3.
305 – 35 =
2
3
270
4
|
4.
533 – 294 =
4
239
2
3
|
5.
763 – 370 =
393
3
2
4
|
6.
606 – 273 =
3
333
2
4
|
7.
925 – 736 =
2
3
189
4
|
8.
38 – 30 =
2
3
1
8
|
9.
551 + 266 =
3
2
817
4
|
10.
34 + 950 =
2
984
3
4
|
11.
187 + 210 =
4
3
2
397
|
12.
915 – 748 =
167
2
3
4
|
13.
110 + 268 =
378
4
3
2
|
14.
851 + 24 =
3
4
875
2
|
15.
198 + 677 =
4
2
875
3
|
16.
77 – 9 =
4
3
68
2
|
17.
461 + 276 =
4
3
737
2
|
18.
954 + 1 =
4
955
2
3
|
19.
93 + 475 =
2
3
568
4
|
20.
597 + 346 =
3
2
4
943
|