|
1.
169 + 809 =
3
978
2
4
|
2.
217 – 151 =
2
4
66
3
|
3.
584 – 157 =
427
2
4
3
|
4.
346 + 223 =
4
3
569
2
|
|
5.
952 + 40 =
2
4
992
3
|
6.
458 – 123 =
4
335
3
2
|
7.
470 – 263 =
207
3
4
2
|
8.
254 + 520 =
3
2
774
4
|
|
9.
721 + 2 =
2
3
723
4
|
10.
121 – 18 =
103
2
4
3
|
11.
301 – 79 =
2
222
4
3
|
12.
679 + 29 =
4
3
2
708
|
|
13.
626 + 234 =
2
4
860
3
|
14.
896 – 894 =
3
2
1
4
|
15.
638 + 275 =
3
913
4
2
|
16.
865 – 613 =
252
3
4
2
|
|
17.
908 + 18 =
4
2
3
926
|
18.
43 – 19 =
3
4
2
24
|
19.
629 + 249 =
3
2
878
4
|
20.
326 – 285 =
4
2
3
41
|
|
1.
169 + 809 =
3
978
2
4
|
2.
217 – 151 =
2
4
66
3
|
3.
584 – 157 =
427
2
4
3
|
4.
346 + 223 =
4
3
569
2
|
|
5.
952 + 40 =
2
4
992
3
|
6.
458 – 123 =
4
335
3
2
|
7.
470 – 263 =
207
3
4
2
|
8.
254 + 520 =
3
2
774
4
|
|
9.
721 + 2 =
2
3
723
4
|
10.
121 – 18 =
103
2
4
3
|
11.
301 – 79 =
2
222
4
3
|
12.
679 + 29 =
4
3
2
708
|
|
13.
626 + 234 =
2
4
860
3
|
14.
896 – 894 =
3
2
1
4
|
15.
638 + 275 =
3
913
4
2
|
16.
865 – 613 =
252
3
4
2
|
|
17.
908 + 18 =
4
2
3
926
|
18.
43 – 19 =
3
4
2
24
|
19.
629 + 249 =
3
2
878
4
|
20.
326 – 285 =
4
2
3
41
|