1.
940 – 255 =
2
685
|
2.
638 + 189 =
827
2
|
3.
93 + 508 =
601
2
|
4.
853 + 71 =
924
2
|
5.
581 + 9 =
2
590
|
6.
621 – 264 =
2
357
|
7.
998 – 344 =
2
654
|
8.
489 – 213 =
276
2
|
9.
936 – 40 =
2
896
|
10.
178 – 135 =
43
2
|
11.
675 – 204 =
2
471
|
12.
30 – 7 =
23
2
|
13.
481 + 506 =
987
2
|
14.
782 – 695 =
2
87
|
15.
140 – 75 =
2
65
|
16.
740 + 169 =
909
2
|
17.
594 – 267 =
327
2
|
18.
729 – 265 =
464
2
|
19.
966 + 19 =
985
2
|
20.
756 – 193 =
2
563
|
1.
940 – 255 =
2
685
|
2.
638 + 189 =
827
2
|
3.
93 + 508 =
601
2
|
4.
853 + 71 =
924
2
|
5.
581 + 9 =
2
590
|
6.
621 – 264 =
2
357
|
7.
998 – 344 =
2
654
|
8.
489 – 213 =
276
2
|
9.
936 – 40 =
2
896
|
10.
178 – 135 =
43
2
|
11.
675 – 204 =
2
471
|
12.
30 – 7 =
23
2
|
13.
481 + 506 =
987
2
|
14.
782 – 695 =
2
87
|
15.
140 – 75 =
2
65
|
16.
740 + 169 =
909
2
|
17.
594 – 267 =
327
2
|
18.
729 – 265 =
464
2
|
19.
966 + 19 =
985
2
|
20.
756 – 193 =
2
563
|