|
1.
813 + 12 =
4
2
3
825
|
2.
55 – 7 =
4
2
48
3
|
3.
878 + 79 =
4
2
3
957
|
4.
178 + 343 =
521
3
2
4
|
|
5.
442 – 306 =
3
136
4
2
|
6.
992 – 281 =
2
3
711
4
|
7.
442 + 107 =
4
549
2
3
|
8.
74 – 12 =
4
2
62
3
|
|
9.
899 – 778 =
2
121
3
4
|
10.
850 – 27 =
3
823
4
2
|
11.
203 – 186 =
3
2
17
4
|
12.
629 + 235 =
3
864
2
4
|
|
13.
866 – 645 =
2
221
3
4
|
14.
315 – 45 =
4
2
3
270
|
15.
60 + 282 =
4
342
2
3
|
16.
192 – 119 =
73
4
3
2
|
|
17.
921 – 349 =
2
572
4
3
|
18.
769 – 757 =
3
2
1
12
|
19.
416 – 194 =
2
222
4
3
|
20.
796 + 24 =
4
2
3
820
|
|
1.
813 + 12 =
4
2
3
825
|
2.
55 – 7 =
4
2
48
3
|
3.
878 + 79 =
4
2
3
957
|
4.
178 + 343 =
521
3
2
4
|
|
5.
442 – 306 =
3
136
4
2
|
6.
992 – 281 =
2
3
711
4
|
7.
442 + 107 =
4
549
2
3
|
8.
74 – 12 =
4
2
62
3
|
|
9.
899 – 778 =
2
121
3
4
|
10.
850 – 27 =
3
823
4
2
|
11.
203 – 186 =
3
2
17
4
|
12.
629 + 235 =
3
864
2
4
|
|
13.
866 – 645 =
2
221
3
4
|
14.
315 – 45 =
4
2
3
270
|
15.
60 + 282 =
4
342
2
3
|
16.
192 – 119 =
73
4
3
2
|
|
17.
921 – 349 =
2
572
4
3
|
18.
769 – 757 =
3
2
1
12
|
19.
416 – 194 =
2
222
4
3
|
20.
796 + 24 =
4
2
3
820
|