|
1.
337 – 228 =
3
4
2
109
|
2.
83 – 15 =
3
68
2
4
|
3.
692 – 486 =
206
2
4
3
|
4.
975 – 522 =
453
3
4
2
|
|
5.
51 – 31 =
20
2
4
3
|
6.
556 + 374 =
930
3
4
2
|
7.
815 + 172 =
3
2
4
987
|
8.
363 – 361 =
3
1
4
2
|
|
9.
901 – 92 =
809
2
3
4
|
10.
17 – 1 =
3
16
4
2
|
11.
83 – 0 =
2
4
83
3
|
12.
126 – 23 =
103
2
3
4
|
|
13.
825 + 154 =
979
3
4
2
|
14.
623 + 103 =
726
3
4
2
|
15.
488 – 171 =
317
3
4
2
|
16.
442 + 557 =
3
999
4
2
|
|
17.
957 + 10 =
2
3
967
4
|
18.
343 – 310 =
3
4
33
2
|
19.
376 + 458 =
4
3
834
2
|
20.
461 + 500 =
3
961
2
4
|
|
1.
337 – 228 =
3
4
2
109
|
2.
83 – 15 =
3
68
2
4
|
3.
692 – 486 =
206
2
4
3
|
4.
975 – 522 =
453
3
4
2
|
|
5.
51 – 31 =
20
2
4
3
|
6.
556 + 374 =
930
3
4
2
|
7.
815 + 172 =
3
2
4
987
|
8.
363 – 361 =
3
1
4
2
|
|
9.
901 – 92 =
809
2
3
4
|
10.
17 – 1 =
3
16
4
2
|
11.
83 – 0 =
2
4
83
3
|
12.
126 – 23 =
103
2
3
4
|
|
13.
825 + 154 =
979
3
4
2
|
14.
623 + 103 =
726
3
4
2
|
15.
488 – 171 =
317
3
4
2
|
16.
442 + 557 =
3
999
4
2
|
|
17.
957 + 10 =
2
3
967
4
|
18.
343 – 310 =
3
4
33
2
|
19.
376 + 458 =
4
3
834
2
|
20.
461 + 500 =
3
961
2
4
|