|
1.
310 + 587 =
2
897
|
2.
139 + 68 =
207
2
|
3.
247 + 111 =
358
2
|
4.
950 – 493 =
2
457
|
|
5.
520 – 170 =
350
2
|
6.
335 + 413 =
748
2
|
7.
981 – 573 =
408
2
|
8.
573 – 488 =
85
2
|
|
9.
326 – 279 =
47
2
|
10.
481 – 188 =
2
293
|
11.
753 – 211 =
542
2
|
12.
648 – 131 =
517
2
|
|
13.
36 + 623 =
659
2
|
14.
838 – 515 =
323
2
|
15.
315 + 59 =
374
2
|
16.
55 + 893 =
2
948
|
|
17.
73 – 48 =
25
2
|
18.
86 – 84 =
2
1
|
19.
493 – 376 =
117
2
|
20.
436 + 508 =
2
944
|
|
1.
310 + 587 =
2
897
|
2.
139 + 68 =
207
2
|
3.
247 + 111 =
358
2
|
4.
950 – 493 =
2
457
|
|
5.
520 – 170 =
350
2
|
6.
335 + 413 =
748
2
|
7.
981 – 573 =
408
2
|
8.
573 – 488 =
85
2
|
|
9.
326 – 279 =
47
2
|
10.
481 – 188 =
2
293
|
11.
753 – 211 =
542
2
|
12.
648 – 131 =
517
2
|
|
13.
36 + 623 =
659
2
|
14.
838 – 515 =
323
2
|
15.
315 + 59 =
374
2
|
16.
55 + 893 =
2
948
|
|
17.
73 – 48 =
25
2
|
18.
86 – 84 =
2
1
|
19.
493 – 376 =
117
2
|
20.
436 + 508 =
2
944
|