1.
857 – 306 =
2
551
4
3
|
2.
549 – 141 =
408
4
3
2
|
3.
26 + 652 =
678
2
4
3
|
4.
45 – 28 =
17
3
2
4
|
5.
465 – 98 =
367
3
4
2
|
6.
440 – 181 =
3
259
2
4
|
7.
40 + 583 =
4
623
3
2
|
8.
123 + 532 =
4
3
2
655
|
9.
986 + 7 =
993
4
3
2
|
10.
819 + 117 =
4
936
3
2
|
11.
918 – 414 =
4
2
504
3
|
12.
951 – 863 =
4
2
3
88
|
13.
205 – 99 =
4
106
3
2
|
14.
247 + 337 =
3
2
4
584
|
15.
152 + 261 =
2
4
3
413
|
16.
961 + 10 =
971
4
2
3
|
17.
128 – 53 =
4
2
3
75
|
18.
773 – 459 =
314
2
4
3
|
19.
745 – 652 =
4
2
3
93
|
20.
458 – 178 =
4
280
2
3
|
1.
857 – 306 =
2
551
4
3
|
2.
549 – 141 =
408
4
3
2
|
3.
26 + 652 =
678
2
4
3
|
4.
45 – 28 =
17
3
2
4
|
5.
465 – 98 =
367
3
4
2
|
6.
440 – 181 =
3
259
2
4
|
7.
40 + 583 =
4
623
3
2
|
8.
123 + 532 =
4
3
2
655
|
9.
986 + 7 =
993
4
3
2
|
10.
819 + 117 =
4
936
3
2
|
11.
918 – 414 =
4
2
504
3
|
12.
951 – 863 =
4
2
3
88
|
13.
205 – 99 =
4
106
3
2
|
14.
247 + 337 =
3
2
4
584
|
15.
152 + 261 =
2
4
3
413
|
16.
961 + 10 =
971
4
2
3
|
17.
128 – 53 =
4
2
3
75
|
18.
773 – 459 =
314
2
4
3
|
19.
745 – 652 =
4
2
3
93
|
20.
458 – 178 =
4
280
2
3
|