|
1.
512 – 421 =
4
3
91
2
|
2.
244 + 625 =
869
4
2
3
|
3.
134 – 1 =
3
2
133
4
|
4.
819 + 168 =
987
3
2
4
|
|
5.
221 + 524 =
3
2
745
4
|
6.
867 + 67 =
2
4
3
934
|
7.
823 – 650 =
4
2
173
3
|
8.
636 + 199 =
3
4
2
835
|
|
9.
635 – 243 =
3
2
4
392
|
10.
267 – 264 =
4
3
1
2
|
11.
24 – 3 =
21
4
3
2
|
12.
163 – 5 =
3
158
2
4
|
|
13.
190 + 478 =
3
668
4
2
|
14.
387 – 178 =
2
3
4
209
|
15.
133 + 647 =
4
780
2
3
|
16.
225 – 21 =
2
204
4
3
|
|
17.
385 + 242 =
2
627
3
4
|
18.
432 + 285 =
4
3
2
717
|
19.
12 – 7 =
2
3
5
1
|
20.
977 + 2 =
2
4
3
979
|
|
1.
512 – 421 =
4
3
91
2
|
2.
244 + 625 =
869
4
2
3
|
3.
134 – 1 =
3
2
133
4
|
4.
819 + 168 =
987
3
2
4
|
|
5.
221 + 524 =
3
2
745
4
|
6.
867 + 67 =
2
4
3
934
|
7.
823 – 650 =
4
2
173
3
|
8.
636 + 199 =
3
4
2
835
|
|
9.
635 – 243 =
3
2
4
392
|
10.
267 – 264 =
4
3
1
2
|
11.
24 – 3 =
21
4
3
2
|
12.
163 – 5 =
3
158
2
4
|
|
13.
190 + 478 =
3
668
4
2
|
14.
387 – 178 =
2
3
4
209
|
15.
133 + 647 =
4
780
2
3
|
16.
225 – 21 =
2
204
4
3
|
|
17.
385 + 242 =
2
627
3
4
|
18.
432 + 285 =
4
3
2
717
|
19.
12 – 7 =
2
3
5
1
|
20.
977 + 2 =
2
4
3
979
|