|
1.
859 + 40 =
899
2
|
2.
549 – 10 =
2
539
|
3.
854 + 50 =
2
904
|
4.
136 + 30 =
166
2
|
|
5.
136 – 50 =
2
86
|
6.
446 – 70 =
2
376
|
7.
525 + 90 =
615
2
|
8.
584 + 100 =
2
684
|
|
9.
844 – 40 =
2
804
|
10.
149 – 50 =
99
2
|
11.
427 + 70 =
2
497
|
12.
866 – 30 =
2
836
|
|
13.
906 – 50 =
2
856
|
14.
1000 – 90 =
2
910
|
15.
812 + 50 =
862
2
|
16.
737 – 90 =
2
647
|
|
17.
977 – 40 =
2
937
|
18.
492 – 50 =
2
442
|
19.
621 + 30 =
2
651
|
20.
822 + 50 =
2
872
|
|
1.
859 + 40 =
899
2
|
2.
549 – 10 =
2
539
|
3.
854 + 50 =
2
904
|
4.
136 + 30 =
166
2
|
|
5.
136 – 50 =
2
86
|
6.
446 – 70 =
2
376
|
7.
525 + 90 =
615
2
|
8.
584 + 100 =
2
684
|
|
9.
844 – 40 =
2
804
|
10.
149 – 50 =
99
2
|
11.
427 + 70 =
2
497
|
12.
866 – 30 =
2
836
|
|
13.
906 – 50 =
2
856
|
14.
1000 – 90 =
2
910
|
15.
812 + 50 =
862
2
|
16.
737 – 90 =
2
647
|
|
17.
977 – 40 =
2
937
|
18.
492 – 50 =
2
442
|
19.
621 + 30 =
2
651
|
20.
822 + 50 =
2
872
|