1.
276 – 171 =
3
105
2
4
|
2.
663 – 293 =
3
4
2
370
|
3.
609 + 235 =
844
2
4
3
|
4.
306 + 390 =
3
2
4
696
|
5.
494 – 215 =
2
3
279
4
|
6.
519 – 16 =
4
2
3
503
|
7.
806 – 175 =
631
3
4
2
|
8.
448 – 285 =
2
3
4
163
|
9.
247 – 185 =
2
4
62
3
|
10.
999 + 0 =
3
2
4
999
|
11.
576 + 1 =
4
2
3
577
|
12.
265 + 497 =
4
2
3
762
|
13.
337 + 516 =
4
2
853
3
|
14.
824 + 150 =
2
4
974
3
|
15.
307 – 233 =
3
2
74
4
|
16.
532 + 376 =
3
908
4
2
|
17.
97 – 23 =
4
3
2
74
|
18.
417 – 208 =
3
209
2
4
|
19.
966 + 32 =
998
4
3
2
|
20.
286 + 99 =
385
4
2
3
|
1.
276 – 171 =
3
105
2
4
|
2.
663 – 293 =
3
4
2
370
|
3.
609 + 235 =
844
2
4
3
|
4.
306 + 390 =
3
2
4
696
|
5.
494 – 215 =
2
3
279
4
|
6.
519 – 16 =
4
2
3
503
|
7.
806 – 175 =
631
3
4
2
|
8.
448 – 285 =
2
3
4
163
|
9.
247 – 185 =
2
4
62
3
|
10.
999 + 0 =
3
2
4
999
|
11.
576 + 1 =
4
2
3
577
|
12.
265 + 497 =
4
2
3
762
|
13.
337 + 516 =
4
2
853
3
|
14.
824 + 150 =
2
4
974
3
|
15.
307 – 233 =
3
2
74
4
|
16.
532 + 376 =
3
908
4
2
|
17.
97 – 23 =
4
3
2
74
|
18.
417 – 208 =
3
209
2
4
|
19.
966 + 32 =
998
4
3
2
|
20.
286 + 99 =
385
4
2
3
|