|
1.
930 – 610 =
2
3
4
320
|
2.
551 – 21 =
530
4
3
2
|
3.
840 + 147 =
4
2
3
987
|
4.
50 – 5 =
2
45
3
4
|
|
5.
934 – 521 =
413
2
3
4
|
6.
644 + 149 =
2
793
4
3
|
7.
681 – 10 =
3
671
2
4
|
8.
294 – 259 =
2
4
3
35
|
|
9.
929 – 406 =
2
4
523
3
|
10.
763 – 666 =
2
3
97
4
|
11.
9 – 7 =
3
1
2
4
|
12.
943 + 45 =
988
2
4
3
|
|
13.
984 + 10 =
3
2
994
4
|
14.
312 + 158 =
4
3
470
2
|
15.
443 – 221 =
222
3
2
4
|
16.
361 – 64 =
297
2
3
4
|
|
17.
837 – 30 =
2
4
3
807
|
18.
172 – 66 =
3
2
4
106
|
19.
526 + 97 =
2
3
4
623
|
20.
847 + 53 =
900
4
2
3
|
|
1.
930 – 610 =
2
3
4
320
|
2.
551 – 21 =
530
4
3
2
|
3.
840 + 147 =
4
2
3
987
|
4.
50 – 5 =
2
45
3
4
|
|
5.
934 – 521 =
413
2
3
4
|
6.
644 + 149 =
2
793
4
3
|
7.
681 – 10 =
3
671
2
4
|
8.
294 – 259 =
2
4
3
35
|
|
9.
929 – 406 =
2
4
523
3
|
10.
763 – 666 =
2
3
97
4
|
11.
9 – 7 =
3
1
2
4
|
12.
943 + 45 =
988
2
4
3
|
|
13.
984 + 10 =
3
2
994
4
|
14.
312 + 158 =
4
3
470
2
|
15.
443 – 221 =
222
3
2
4
|
16.
361 – 64 =
297
2
3
4
|
|
17.
837 – 30 =
2
4
3
807
|
18.
172 – 66 =
3
2
4
106
|
19.
526 + 97 =
2
3
4
623
|
20.
847 + 53 =
900
4
2
3
|