|
1.
449 – 180 =
269
2
|
2.
341 – 53 =
288
2
|
3.
489 – 191 =
2
298
|
4.
864 + 76 =
940
2
|
|
5.
759 + 138 =
897
2
|
6.
898 + 36 =
2
934
|
7.
539 + 108 =
2
647
|
8.
951 + 31 =
982
2
|
|
9.
164 + 476 =
640
2
|
10.
365 – 152 =
213
2
|
11.
143 – 93 =
50
2
|
12.
765 + 205 =
970
2
|
|
13.
556 – 378 =
2
178
|
14.
768 – 151 =
2
617
|
15.
606 – 466 =
140
2
|
16.
566 – 343 =
2
223
|
|
17.
674 + 268 =
942
2
|
18.
451 + 306 =
2
757
|
19.
734 – 667 =
67
2
|
20.
34 – 9 =
25
2
|
|
1.
449 – 180 =
269
2
|
2.
341 – 53 =
288
2
|
3.
489 – 191 =
2
298
|
4.
864 + 76 =
940
2
|
|
5.
759 + 138 =
897
2
|
6.
898 + 36 =
2
934
|
7.
539 + 108 =
2
647
|
8.
951 + 31 =
982
2
|
|
9.
164 + 476 =
640
2
|
10.
365 – 152 =
213
2
|
11.
143 – 93 =
50
2
|
12.
765 + 205 =
970
2
|
|
13.
556 – 378 =
2
178
|
14.
768 – 151 =
2
617
|
15.
606 – 466 =
140
2
|
16.
566 – 343 =
2
223
|
|
17.
674 + 268 =
942
2
|
18.
451 + 306 =
2
757
|
19.
734 – 667 =
67
2
|
20.
34 – 9 =
25
2
|