|
1.
280 – 211 =
2
69
|
2.
849 – 397 =
452
2
|
3.
818 + 11 =
829
2
|
4.
724 – 75 =
2
649
|
|
5.
71 – 60 =
11
1
|
6.
22 + 466 =
488
2
|
7.
793 – 331 =
2
462
|
8.
191 + 795 =
986
2
|
|
9.
549 + 164 =
2
713
|
10.
948 – 667 =
2
281
|
11.
94 – 27 =
2
67
|
12.
141 + 839 =
980
2
|
|
13.
786 + 53 =
2
839
|
14.
859 + 4 =
2
863
|
15.
520 + 34 =
2
554
|
16.
653 + 5 =
658
2
|
|
17.
917 – 709 =
208
2
|
18.
668 – 379 =
2
289
|
19.
992 – 724 =
2
268
|
20.
780 – 55 =
725
2
|
|
1.
280 – 211 =
2
69
|
2.
849 – 397 =
452
2
|
3.
818 + 11 =
829
2
|
4.
724 – 75 =
2
649
|
|
5.
71 – 60 =
11
1
|
6.
22 + 466 =
488
2
|
7.
793 – 331 =
2
462
|
8.
191 + 795 =
986
2
|
|
9.
549 + 164 =
2
713
|
10.
948 – 667 =
2
281
|
11.
94 – 27 =
2
67
|
12.
141 + 839 =
980
2
|
|
13.
786 + 53 =
2
839
|
14.
859 + 4 =
2
863
|
15.
520 + 34 =
2
554
|
16.
653 + 5 =
658
2
|
|
17.
917 – 709 =
208
2
|
18.
668 – 379 =
2
289
|
19.
992 – 724 =
2
268
|
20.
780 – 55 =
725
2
|