|
1.
520 + 457 =
2
977
|
2.
816 – 810 =
1
6
|
3.
155 + 761 =
916
2
|
4.
169 – 165 =
4
1
|
|
5.
140 + 746 =
2
886
|
6.
969 + 1 =
970
2
|
7.
925 + 49 =
974
2
|
8.
163 + 172 =
335
2
|
|
9.
472 + 44 =
516
2
|
10.
140 + 345 =
2
485
|
11.
980 – 501 =
2
479
|
12.
87 + 134 =
221
2
|
|
13.
813 + 151 =
2
964
|
14.
300 + 94 =
394
2
|
15.
402 + 27 =
429
2
|
16.
753 + 118 =
2
871
|
|
17.
489 + 177 =
2
666
|
18.
160 – 80 =
2
80
|
19.
114 + 501 =
615
2
|
20.
515 + 425 =
940
2
|
|
1.
520 + 457 =
2
977
|
2.
816 – 810 =
1
6
|
3.
155 + 761 =
916
2
|
4.
169 – 165 =
4
1
|
|
5.
140 + 746 =
2
886
|
6.
969 + 1 =
970
2
|
7.
925 + 49 =
974
2
|
8.
163 + 172 =
335
2
|
|
9.
472 + 44 =
516
2
|
10.
140 + 345 =
2
485
|
11.
980 – 501 =
2
479
|
12.
87 + 134 =
221
2
|
|
13.
813 + 151 =
2
964
|
14.
300 + 94 =
394
2
|
15.
402 + 27 =
429
2
|
16.
753 + 118 =
2
871
|
|
17.
489 + 177 =
2
666
|
18.
160 – 80 =
2
80
|
19.
114 + 501 =
615
2
|
20.
515 + 425 =
940
2
|