|
1.
313 + 138 =
3
2
4
451
|
2.
23 – 12 =
2
1
3
11
|
3.
87 – 47 =
3
4
2
40
|
4.
974 + 6 =
4
980
3
2
|
|
5.
24 – 3 =
4
21
3
2
|
6.
70 – 36 =
34
3
4
2
|
7.
233 – 184 =
3
2
49
4
|
8.
998 – 126 =
2
3
4
872
|
|
9.
391 + 42 =
433
2
3
4
|
10.
553 + 375 =
4
2
3
928
|
11.
373 + 272 =
645
4
2
3
|
12.
497 + 16 =
4
3
2
513
|
|
13.
850 – 797 =
2
3
53
4
|
14.
670 + 61 =
2
3
4
731
|
15.
477 + 20 =
2
4
3
497
|
16.
203 + 213 =
3
416
4
2
|
|
17.
659 – 73 =
4
3
2
586
|
18.
177 – 166 =
3
11
2
1
|
19.
253 + 7 =
2
4
3
260
|
20.
203 – 119 =
4
2
3
84
|
|
1.
313 + 138 =
3
2
4
451
|
2.
23 – 12 =
2
1
3
11
|
3.
87 – 47 =
3
4
2
40
|
4.
974 + 6 =
4
980
3
2
|
|
5.
24 – 3 =
4
21
3
2
|
6.
70 – 36 =
34
3
4
2
|
7.
233 – 184 =
3
2
49
4
|
8.
998 – 126 =
2
3
4
872
|
|
9.
391 + 42 =
433
2
3
4
|
10.
553 + 375 =
4
2
3
928
|
11.
373 + 272 =
645
4
2
3
|
12.
497 + 16 =
4
3
2
513
|
|
13.
850 – 797 =
2
3
53
4
|
14.
670 + 61 =
2
3
4
731
|
15.
477 + 20 =
2
4
3
497
|
16.
203 + 213 =
3
416
4
2
|
|
17.
659 – 73 =
4
3
2
586
|
18.
177 – 166 =
3
11
2
1
|
19.
253 + 7 =
2
4
3
260
|
20.
203 – 119 =
4
2
3
84
|