|
1.
685 + 50 =
2
735
|
2.
677 + 172 =
849
2
|
3.
757 – 654 =
103
2
|
4.
234 + 200 =
434
2
|
|
5.
837 – 481 =
356
2
|
6.
229 + 439 =
668
2
|
7.
149 – 128 =
2
21
|
8.
449 – 379 =
70
2
|
|
9.
299 + 447 =
2
746
|
10.
547 + 331 =
2
878
|
11.
889 – 126 =
763
2
|
12.
686 + 289 =
2
975
|
|
13.
190 + 471 =
2
661
|
14.
168 + 90 =
258
2
|
15.
893 + 42 =
2
935
|
16.
623 – 620 =
3
1
|
|
17.
619 + 336 =
955
2
|
18.
812 + 126 =
938
2
|
19.
701 + 15 =
2
716
|
20.
78 – 40 =
38
2
|
|
1.
685 + 50 =
2
735
|
2.
677 + 172 =
849
2
|
3.
757 – 654 =
103
2
|
4.
234 + 200 =
434
2
|
|
5.
837 – 481 =
356
2
|
6.
229 + 439 =
668
2
|
7.
149 – 128 =
2
21
|
8.
449 – 379 =
70
2
|
|
9.
299 + 447 =
2
746
|
10.
547 + 331 =
2
878
|
11.
889 – 126 =
763
2
|
12.
686 + 289 =
2
975
|
|
13.
190 + 471 =
2
661
|
14.
168 + 90 =
258
2
|
15.
893 + 42 =
2
935
|
16.
623 – 620 =
3
1
|
|
17.
619 + 336 =
955
2
|
18.
812 + 126 =
938
2
|
19.
701 + 15 =
2
716
|
20.
78 – 40 =
38
2
|