|
1.
508 – 7 =
2
501
|
2.
818 – 541 =
277
2
|
3.
869 – 564 =
305
2
|
4.
943 + 45 =
2
988
|
|
5.
189 + 775 =
2
964
|
6.
498 – 258 =
240
2
|
7.
472 + 244 =
716
2
|
8.
536 + 332 =
2
868
|
|
9.
348 + 555 =
903
2
|
10.
240 + 54 =
294
2
|
11.
588 + 255 =
2
843
|
12.
788 + 111 =
2
899
|
|
13.
184 – 82 =
2
102
|
14.
64 + 511 =
575
2
|
15.
537 + 225 =
762
2
|
16.
469 + 271 =
2
740
|
|
17.
582 + 88 =
670
2
|
18.
286 + 228 =
2
514
|
19.
162 – 23 =
139
2
|
20.
743 – 176 =
2
567
|
|
1.
508 – 7 =
2
501
|
2.
818 – 541 =
277
2
|
3.
869 – 564 =
305
2
|
4.
943 + 45 =
2
988
|
|
5.
189 + 775 =
2
964
|
6.
498 – 258 =
240
2
|
7.
472 + 244 =
716
2
|
8.
536 + 332 =
2
868
|
|
9.
348 + 555 =
903
2
|
10.
240 + 54 =
294
2
|
11.
588 + 255 =
2
843
|
12.
788 + 111 =
2
899
|
|
13.
184 – 82 =
2
102
|
14.
64 + 511 =
575
2
|
15.
537 + 225 =
762
2
|
16.
469 + 271 =
2
740
|
|
17.
582 + 88 =
670
2
|
18.
286 + 228 =
2
514
|
19.
162 – 23 =
139
2
|
20.
743 – 176 =
2
567
|