|
1.
971 + 19 =
2
990
|
2.
82 + 40 =
2
122
|
3.
802 – 280 =
522
2
|
4.
544 – 237 =
307
2
|
|
5.
712 – 57 =
2
655
|
6.
386 – 173 =
213
2
|
7.
664 – 325 =
2
339
|
8.
567 – 409 =
2
158
|
|
9.
135 + 328 =
463
2
|
10.
266 – 15 =
251
2
|
11.
117 – 12 =
2
105
|
12.
554 + 104 =
2
658
|
|
13.
240 + 56 =
296
2
|
14.
503 – 378 =
125
2
|
15.
148 + 586 =
2
734
|
16.
927 – 442 =
2
485
|
|
17.
679 – 578 =
101
2
|
18.
569 – 417 =
152
2
|
19.
69 – 41 =
28
2
|
20.
523 + 410 =
2
933
|
|
1.
971 + 19 =
2
990
|
2.
82 + 40 =
2
122
|
3.
802 – 280 =
522
2
|
4.
544 – 237 =
307
2
|
|
5.
712 – 57 =
2
655
|
6.
386 – 173 =
213
2
|
7.
664 – 325 =
2
339
|
8.
567 – 409 =
2
158
|
|
9.
135 + 328 =
463
2
|
10.
266 – 15 =
251
2
|
11.
117 – 12 =
2
105
|
12.
554 + 104 =
2
658
|
|
13.
240 + 56 =
296
2
|
14.
503 – 378 =
125
2
|
15.
148 + 586 =
2
734
|
16.
927 – 442 =
2
485
|
|
17.
679 – 578 =
101
2
|
18.
569 – 417 =
152
2
|
19.
69 – 41 =
28
2
|
20.
523 + 410 =
2
933
|