|
1.
950 – 523 =
3
427
2
4
|
2.
629 – 171 =
4
2
3
458
|
3.
805 – 749 =
3
4
2
56
|
4.
760 – 271 =
489
3
4
2
|
|
5.
290 + 679 =
4
2
3
969
|
6.
324 + 422 =
2
3
4
746
|
7.
303 – 214 =
2
89
3
4
|
8.
205 + 301 =
506
2
4
3
|
|
9.
428 – 404 =
2
3
24
4
|
10.
934 – 164 =
770
4
2
3
|
11.
170 – 57 =
2
3
113
4
|
12.
170 + 613 =
3
4
2
783
|
|
13.
656 + 130 =
786
3
2
4
|
14.
776 + 99 =
3
4
2
875
|
15.
878 + 103 =
4
2
3
981
|
16.
937 + 0 =
2
3
4
937
|
|
17.
129 + 638 =
4
767
3
2
|
18.
492 – 50 =
2
4
3
442
|
19.
589 + 244 =
4
833
3
2
|
20.
997 – 246 =
751
4
2
3
|
|
1.
950 – 523 =
3
427
2
4
|
2.
629 – 171 =
4
2
3
458
|
3.
805 – 749 =
3
4
2
56
|
4.
760 – 271 =
489
3
4
2
|
|
5.
290 + 679 =
4
2
3
969
|
6.
324 + 422 =
2
3
4
746
|
7.
303 – 214 =
2
89
3
4
|
8.
205 + 301 =
506
2
4
3
|
|
9.
428 – 404 =
2
3
24
4
|
10.
934 – 164 =
770
4
2
3
|
11.
170 – 57 =
2
3
113
4
|
12.
170 + 613 =
3
4
2
783
|
|
13.
656 + 130 =
786
3
2
4
|
14.
776 + 99 =
3
4
2
875
|
15.
878 + 103 =
4
2
3
981
|
16.
937 + 0 =
2
3
4
937
|
|
17.
129 + 638 =
4
767
3
2
|
18.
492 – 50 =
2
4
3
442
|
19.
589 + 244 =
4
833
3
2
|
20.
997 – 246 =
751
4
2
3
|