|
1.
935 – 599 =
2
336
4
3
|
2.
847 + 9 =
2
856
4
3
|
3.
878 + 100 =
978
4
2
3
|
4.
42 + 48 =
90
4
3
2
|
|
5.
26 – 26 =
2
4
0
3
|
6.
760 – 81 =
3
2
679
4
|
7.
621 – 140 =
3
481
2
4
|
8.
414 + 68 =
4
2
482
3
|
|
9.
627 – 233 =
2
4
394
3
|
10.
42 – 1 =
41
2
4
3
|
11.
823 – 426 =
3
4
397
2
|
12.
49 – 24 =
25
3
4
2
|
|
13.
580 – 496 =
2
84
4
3
|
14.
702 + 17 =
2
719
3
4
|
15.
751 + 132 =
3
4
2
883
|
16.
206 + 21 =
227
3
2
4
|
|
17.
343 + 26 =
2
3
4
369
|
18.
245 + 563 =
2
4
3
808
|
19.
879 – 657 =
4
3
222
2
|
20.
24 + 971 =
2
3
995
4
|
|
1.
935 – 599 =
2
336
4
3
|
2.
847 + 9 =
2
856
4
3
|
3.
878 + 100 =
978
4
2
3
|
4.
42 + 48 =
90
4
3
2
|
|
5.
26 – 26 =
2
4
0
3
|
6.
760 – 81 =
3
2
679
4
|
7.
621 – 140 =
3
481
2
4
|
8.
414 + 68 =
4
2
482
3
|
|
9.
627 – 233 =
2
4
394
3
|
10.
42 – 1 =
41
2
4
3
|
11.
823 – 426 =
3
4
397
2
|
12.
49 – 24 =
25
3
4
2
|
|
13.
580 – 496 =
2
84
4
3
|
14.
702 + 17 =
2
719
3
4
|
15.
751 + 132 =
3
4
2
883
|
16.
206 + 21 =
227
3
2
4
|
|
17.
343 + 26 =
2
3
4
369
|
18.
245 + 563 =
2
4
3
808
|
19.
879 – 657 =
4
3
222
2
|
20.
24 + 971 =
2
3
995
4
|