|
1.
408 + 253 =
661
2
4
3
|
2.
131 + 812 =
943
4
3
2
|
3.
653 + 246 =
3
2
4
899
|
4.
745 + 187 =
932
3
2
4
|
|
5.
481 + 389 =
4
3
870
2
|
6.
344 + 466 =
3
810
2
4
|
7.
856 – 633 =
4
223
3
2
|
8.
977 – 257 =
4
2
720
3
|
|
9.
326 – 160 =
2
4
166
3
|
10.
273 + 203 =
2
476
3
4
|
11.
618 – 486 =
132
4
2
3
|
12.
582 + 392 =
3
4
974
2
|
|
13.
671 – 498 =
173
3
2
4
|
14.
503 – 44 =
3
459
4
2
|
15.
455 – 198 =
3
2
4
257
|
16.
46 – 29 =
4
17
3
2
|
|
17.
257 + 4 =
4
2
3
261
|
18.
928 + 70 =
2
998
3
4
|
19.
440 – 159 =
281
2
3
4
|
20.
369 – 206 =
4
2
3
163
|
|
1.
408 + 253 =
661
2
4
3
|
2.
131 + 812 =
943
4
3
2
|
3.
653 + 246 =
3
2
4
899
|
4.
745 + 187 =
932
3
2
4
|
|
5.
481 + 389 =
4
3
870
2
|
6.
344 + 466 =
3
810
2
4
|
7.
856 – 633 =
4
223
3
2
|
8.
977 – 257 =
4
2
720
3
|
|
9.
326 – 160 =
2
4
166
3
|
10.
273 + 203 =
2
476
3
4
|
11.
618 – 486 =
132
4
2
3
|
12.
582 + 392 =
3
4
974
2
|
|
13.
671 – 498 =
173
3
2
4
|
14.
503 – 44 =
3
459
4
2
|
15.
455 – 198 =
3
2
4
257
|
16.
46 – 29 =
4
17
3
2
|
|
17.
257 + 4 =
4
2
3
261
|
18.
928 + 70 =
2
998
3
4
|
19.
440 – 159 =
281
2
3
4
|
20.
369 – 206 =
4
2
3
163
|