|
1.
777 – 280 =
4
2
3
497
|
2.
493 – 237 =
3
2
4
256
|
3.
256 – 5 =
2
251
3
4
|
4.
221 – 179 =
2
3
4
42
|
|
5.
154 + 699 =
2
4
3
853
|
6.
379 + 97 =
2
4
476
3
|
7.
643 + 156 =
799
2
4
3
|
8.
68 – 19 =
2
4
49
3
|
|
9.
866 + 16 =
882
4
3
2
|
10.
928 + 66 =
2
994
3
4
|
11.
669 + 193 =
4
2
3
862
|
12.
276 – 109 =
167
2
3
4
|
|
13.
590 – 490 =
100
3
2
4
|
14.
1 + 758 =
4
2
3
759
|
15.
949 – 74 =
3
875
4
2
|
16.
129 – 59 =
2
4
70
3
|
|
17.
285 + 133 =
3
418
4
2
|
18.
772 + 9 =
2
4
3
781
|
19.
748 – 534 =
3
214
4
2
|
20.
239 + 441 =
3
4
680
2
|
|
1.
777 – 280 =
4
2
3
497
|
2.
493 – 237 =
3
2
4
256
|
3.
256 – 5 =
2
251
3
4
|
4.
221 – 179 =
2
3
4
42
|
|
5.
154 + 699 =
2
4
3
853
|
6.
379 + 97 =
2
4
476
3
|
7.
643 + 156 =
799
2
4
3
|
8.
68 – 19 =
2
4
49
3
|
|
9.
866 + 16 =
882
4
3
2
|
10.
928 + 66 =
2
994
3
4
|
11.
669 + 193 =
4
2
3
862
|
12.
276 – 109 =
167
2
3
4
|
|
13.
590 – 490 =
100
3
2
4
|
14.
1 + 758 =
4
2
3
759
|
15.
949 – 74 =
3
875
4
2
|
16.
129 – 59 =
2
4
70
3
|
|
17.
285 + 133 =
3
418
4
2
|
18.
772 + 9 =
2
4
3
781
|
19.
748 – 534 =
3
214
4
2
|
20.
239 + 441 =
3
4
680
2
|