|
1.
515 – 48 =
2
467
|
2.
645 + 135 =
2
780
|
3.
298 + 101 =
2
399
|
4.
391 – 355 =
36
2
|
|
5.
880 + 104 =
984
2
|
6.
445 + 340 =
785
2
|
7.
193 + 274 =
467
2
|
8.
248 – 25 =
2
223
|
|
9.
471 – 397 =
2
74
|
10.
759 + 209 =
2
968
|
11.
217 – 4 =
2
213
|
12.
727 – 461 =
2
266
|
|
13.
712 – 586 =
126
2
|
14.
101 – 30 =
2
71
|
15.
326 + 212 =
538
2
|
16.
71 – 12 =
2
59
|
|
17.
317 + 152 =
469
2
|
18.
266 – 19 =
247
2
|
19.
878 + 15 =
893
2
|
20.
58 – 49 =
1
9
|
|
1.
515 – 48 =
2
467
|
2.
645 + 135 =
2
780
|
3.
298 + 101 =
2
399
|
4.
391 – 355 =
36
2
|
|
5.
880 + 104 =
984
2
|
6.
445 + 340 =
785
2
|
7.
193 + 274 =
467
2
|
8.
248 – 25 =
2
223
|
|
9.
471 – 397 =
2
74
|
10.
759 + 209 =
2
968
|
11.
217 – 4 =
2
213
|
12.
727 – 461 =
2
266
|
|
13.
712 – 586 =
126
2
|
14.
101 – 30 =
2
71
|
15.
326 + 212 =
538
2
|
16.
71 – 12 =
2
59
|
|
17.
317 + 152 =
469
2
|
18.
266 – 19 =
247
2
|
19.
878 + 15 =
893
2
|
20.
58 – 49 =
1
9
|