|
1.
682 – 281 =
4
2
401
3
|
2.
489 – 391 =
2
3
98
4
|
3.
620 + 172 =
3
4
792
2
|
4.
383 – 32 =
2
351
3
4
|
|
5.
701 – 573 =
128
3
4
2
|
6.
965 + 23 =
2
988
4
3
|
7.
321 + 474 =
4
3
795
2
|
8.
197 + 726 =
923
2
4
3
|
|
9.
973 – 22 =
951
2
4
3
|
10.
230 – 65 =
4
2
165
3
|
11.
51 – 2 =
49
2
3
4
|
12.
105 + 771 =
4
3
876
2
|
|
13.
924 + 36 =
3
4
2
960
|
14.
900 + 21 =
4
921
2
3
|
15.
504 – 14 =
2
4
490
3
|
16.
964 + 36 =
2
4
1000
3
|
|
17.
550 + 408 =
3
4
2
958
|
18.
890 – 558 =
4
332
3
2
|
19.
8 – 1 =
1
2
7
3
|
20.
553 – 200 =
4
353
2
3
|
|
1.
682 – 281 =
4
2
401
3
|
2.
489 – 391 =
2
3
98
4
|
3.
620 + 172 =
3
4
792
2
|
4.
383 – 32 =
2
351
3
4
|
|
5.
701 – 573 =
128
3
4
2
|
6.
965 + 23 =
2
988
4
3
|
7.
321 + 474 =
4
3
795
2
|
8.
197 + 726 =
923
2
4
3
|
|
9.
973 – 22 =
951
2
4
3
|
10.
230 – 65 =
4
2
165
3
|
11.
51 – 2 =
49
2
3
4
|
12.
105 + 771 =
4
3
876
2
|
|
13.
924 + 36 =
3
4
2
960
|
14.
900 + 21 =
4
921
2
3
|
15.
504 – 14 =
2
4
490
3
|
16.
964 + 36 =
2
4
1000
3
|
|
17.
550 + 408 =
3
4
2
958
|
18.
890 – 558 =
4
332
3
2
|
19.
8 – 1 =
1
2
7
3
|
20.
553 – 200 =
4
353
2
3
|