|
1.
131 + 261 =
2
392
|
2.
678 – 584 =
94
2
|
3.
190 – 143 =
2
47
|
4.
126 + 857 =
983
2
|
|
5.
131 + 741 =
872
2
|
6.
762 – 254 =
2
508
|
7.
275 + 209 =
2
484
|
8.
463 – 425 =
2
38
|
|
9.
335 + 345 =
2
680
|
10.
605 + 311 =
916
2
|
11.
632 + 265 =
2
897
|
12.
788 + 148 =
936
2
|
|
13.
411 + 393 =
2
804
|
14.
557 + 36 =
2
593
|
15.
956 + 30 =
986
2
|
16.
179 + 330 =
509
2
|
|
17.
476 – 327 =
2
149
|
18.
624 + 13 =
637
2
|
19.
546 + 144 =
690
2
|
20.
987 – 252 =
2
735
|
|
1.
131 + 261 =
2
392
|
2.
678 – 584 =
94
2
|
3.
190 – 143 =
2
47
|
4.
126 + 857 =
983
2
|
|
5.
131 + 741 =
872
2
|
6.
762 – 254 =
2
508
|
7.
275 + 209 =
2
484
|
8.
463 – 425 =
2
38
|
|
9.
335 + 345 =
2
680
|
10.
605 + 311 =
916
2
|
11.
632 + 265 =
2
897
|
12.
788 + 148 =
936
2
|
|
13.
411 + 393 =
2
804
|
14.
557 + 36 =
2
593
|
15.
956 + 30 =
986
2
|
16.
179 + 330 =
509
2
|
|
17.
476 – 327 =
2
149
|
18.
624 + 13 =
637
2
|
19.
546 + 144 =
690
2
|
20.
987 – 252 =
2
735
|