|
1.
169 – 68 =
3
101
2
4
|
2.
642 – 231 =
4
3
2
411
|
3.
134 + 355 =
2
489
4
3
|
4.
49 – 37 =
2
3
1
12
|
|
5.
26 – 26 =
0
3
4
2
|
6.
671 + 308 =
979
3
4
2
|
7.
621 – 570 =
51
2
4
3
|
8.
229 – 41 =
2
188
3
4
|
|
9.
422 – 93 =
3
4
2
329
|
10.
428 + 111 =
3
2
4
539
|
11.
732 + 235 =
2
4
967
3
|
12.
27 – 23 =
3
2
1
4
|
|
13.
46 + 685 =
4
2
731
3
|
14.
805 + 194 =
999
4
3
2
|
15.
494 – 321 =
3
2
173
4
|
16.
657 + 209 =
4
3
2
866
|
|
17.
591 + 335 =
4
2
3
926
|
18.
446 – 384 =
4
3
2
62
|
19.
691 – 185 =
506
4
3
2
|
20.
913 – 822 =
2
4
91
3
|
|
1.
169 – 68 =
3
101
2
4
|
2.
642 – 231 =
4
3
2
411
|
3.
134 + 355 =
2
489
4
3
|
4.
49 – 37 =
2
3
1
12
|
|
5.
26 – 26 =
0
3
4
2
|
6.
671 + 308 =
979
3
4
2
|
7.
621 – 570 =
51
2
4
3
|
8.
229 – 41 =
2
188
3
4
|
|
9.
422 – 93 =
3
4
2
329
|
10.
428 + 111 =
3
2
4
539
|
11.
732 + 235 =
2
4
967
3
|
12.
27 – 23 =
3
2
1
4
|
|
13.
46 + 685 =
4
2
731
3
|
14.
805 + 194 =
999
4
3
2
|
15.
494 – 321 =
3
2
173
4
|
16.
657 + 209 =
4
3
2
866
|
|
17.
591 + 335 =
4
2
3
926
|
18.
446 – 384 =
4
3
2
62
|
19.
691 – 185 =
506
4
3
2
|
20.
913 – 822 =
2
4
91
3
|