|
1.
826 – 50 =
2
776
|
2.
450 + 100 =
2
550
|
3.
743 + 90 =
2
833
|
4.
885 – 100 =
2
785
|
|
5.
818 – 10 =
808
2
|
6.
735 – 40 =
2
695
|
7.
490 – 100 =
390
2
|
8.
632 – 100 =
532
2
|
|
9.
658 – 10 =
648
2
|
10.
940 – 10 =
930
2
|
11.
440 + 40 =
2
480
|
12.
159 – 30 =
2
129
|
|
13.
754 + 40 =
2
794
|
14.
657 – 50 =
607
2
|
15.
848 – 60 =
788
2
|
16.
971 – 80 =
891
2
|
|
17.
964 – 90 =
2
874
|
18.
849 + 40 =
889
2
|
19.
298 + 30 =
328
2
|
20.
967 – 20 =
947
2
|
|
1.
826 – 50 =
2
776
|
2.
450 + 100 =
2
550
|
3.
743 + 90 =
2
833
|
4.
885 – 100 =
2
785
|
|
5.
818 – 10 =
808
2
|
6.
735 – 40 =
2
695
|
7.
490 – 100 =
390
2
|
8.
632 – 100 =
532
2
|
|
9.
658 – 10 =
648
2
|
10.
940 – 10 =
930
2
|
11.
440 + 40 =
2
480
|
12.
159 – 30 =
2
129
|
|
13.
754 + 40 =
2
794
|
14.
657 – 50 =
607
2
|
15.
848 – 60 =
788
2
|
16.
971 – 80 =
891
2
|
|
17.
964 – 90 =
2
874
|
18.
849 + 40 =
889
2
|
19.
298 + 30 =
328
2
|
20.
967 – 20 =
947
2
|