|
1.
891 + 25 =
3
916
4
2
|
2.
486 – 311 =
2
3
4
175
|
3.
621 – 136 =
3
4
2
485
|
4.
936 – 717 =
3
219
4
2
|
|
5.
505 – 328 =
177
4
3
2
|
6.
222 + 344 =
2
3
566
4
|
7.
830 + 138 =
4
968
2
3
|
8.
523 – 436 =
4
3
2
87
|
|
9.
520 + 357 =
4
3
2
877
|
10.
237 + 629 =
866
3
2
4
|
11.
810 + 37 =
3
2
4
847
|
12.
173 – 148 =
2
4
25
3
|
|
13.
108 + 516 =
3
624
4
2
|
14.
357 + 598 =
2
3
955
4
|
15.
765 – 48 =
717
2
3
4
|
16.
954 – 127 =
4
2
827
3
|
|
17.
115 + 417 =
532
2
4
3
|
18.
274 – 208 =
66
4
2
3
|
19.
108 + 242 =
4
350
3
2
|
20.
370 – 263 =
3
2
4
107
|
|
1.
891 + 25 =
3
916
4
2
|
2.
486 – 311 =
2
3
4
175
|
3.
621 – 136 =
3
4
2
485
|
4.
936 – 717 =
3
219
4
2
|
|
5.
505 – 328 =
177
4
3
2
|
6.
222 + 344 =
2
3
566
4
|
7.
830 + 138 =
4
968
2
3
|
8.
523 – 436 =
4
3
2
87
|
|
9.
520 + 357 =
4
3
2
877
|
10.
237 + 629 =
866
3
2
4
|
11.
810 + 37 =
3
2
4
847
|
12.
173 – 148 =
2
4
25
3
|
|
13.
108 + 516 =
3
624
4
2
|
14.
357 + 598 =
2
3
955
4
|
15.
765 – 48 =
717
2
3
4
|
16.
954 – 127 =
4
2
827
3
|
|
17.
115 + 417 =
532
2
4
3
|
18.
274 – 208 =
66
4
2
3
|
19.
108 + 242 =
4
350
3
2
|
20.
370 – 263 =
3
2
4
107
|