|
1.
356 – 331 =
2
4
3
25
|
2.
571 – 381 =
190
3
4
2
|
3.
487 + 258 =
3
745
2
4
|
4.
923 + 32 =
955
4
2
3
|
|
5.
836 + 142 =
3
2
4
978
|
6.
172 – 145 =
2
27
4
3
|
7.
957 – 366 =
591
2
3
4
|
8.
994 + 3 =
997
3
2
4
|
|
9.
992 – 872 =
120
4
2
3
|
10.
124 – 41 =
2
4
83
3
|
11.
619 + 134 =
2
753
4
3
|
12.
820 + 41 =
3
4
2
861
|
|
13.
451 + 342 =
793
3
4
2
|
14.
164 – 27 =
137
2
4
3
|
15.
326 + 277 =
603
4
3
2
|
16.
531 + 66 =
2
597
4
3
|
|
17.
253 + 110 =
3
2
363
4
|
18.
572 + 183 =
755
3
4
2
|
19.
537 – 94 =
443
3
2
4
|
20.
496 – 471 =
3
2
25
4
|
|
1.
356 – 331 =
2
4
3
25
|
2.
571 – 381 =
190
3
4
2
|
3.
487 + 258 =
3
745
2
4
|
4.
923 + 32 =
955
4
2
3
|
|
5.
836 + 142 =
3
2
4
978
|
6.
172 – 145 =
2
27
4
3
|
7.
957 – 366 =
591
2
3
4
|
8.
994 + 3 =
997
3
2
4
|
|
9.
992 – 872 =
120
4
2
3
|
10.
124 – 41 =
2
4
83
3
|
11.
619 + 134 =
2
753
4
3
|
12.
820 + 41 =
3
4
2
861
|
|
13.
451 + 342 =
793
3
4
2
|
14.
164 – 27 =
137
2
4
3
|
15.
326 + 277 =
603
4
3
2
|
16.
531 + 66 =
2
597
4
3
|
|
17.
253 + 110 =
3
2
363
4
|
18.
572 + 183 =
755
3
4
2
|
19.
537 – 94 =
443
3
2
4
|
20.
496 – 471 =
3
2
25
4
|