1.
885 – 742 =
3
4
143
2
|
2.
967 – 253 =
4
2
714
3
|
3.
646 – 78 =
3
2
4
568
|
4.
433 + 106 =
4
539
2
3
|
5.
573 + 282 =
2
855
3
4
|
6.
97 + 822 =
919
2
4
3
|
7.
278 – 174 =
104
3
4
2
|
8.
925 + 7 =
2
932
3
4
|
9.
170 + 689 =
2
4
859
3
|
10.
281 – 160 =
3
121
2
4
|
11.
777 – 703 =
3
4
74
2
|
12.
956 + 29 =
985
3
4
2
|
13.
804 + 8 =
4
812
2
3
|
14.
789 + 158 =
4
3
2
947
|
15.
943 + 44 =
4
987
3
2
|
16.
879 – 503 =
376
2
4
3
|
17.
896 + 42 =
4
938
3
2
|
18.
65 + 611 =
676
3
2
4
|
19.
4 – 1 =
2
4
3
1
|
20.
268 + 393 =
661
3
2
4
|
1.
885 – 742 =
3
4
143
2
|
2.
967 – 253 =
4
2
714
3
|
3.
646 – 78 =
3
2
4
568
|
4.
433 + 106 =
4
539
2
3
|
5.
573 + 282 =
2
855
3
4
|
6.
97 + 822 =
919
2
4
3
|
7.
278 – 174 =
104
3
4
2
|
8.
925 + 7 =
2
932
3
4
|
9.
170 + 689 =
2
4
859
3
|
10.
281 – 160 =
3
121
2
4
|
11.
777 – 703 =
3
4
74
2
|
12.
956 + 29 =
985
3
4
2
|
13.
804 + 8 =
4
812
2
3
|
14.
789 + 158 =
4
3
2
947
|
15.
943 + 44 =
4
987
3
2
|
16.
879 – 503 =
376
2
4
3
|
17.
896 + 42 =
4
938
3
2
|
18.
65 + 611 =
676
3
2
4
|
19.
4 – 1 =
2
4
3
1
|
20.
268 + 393 =
661
3
2
4
|