|
1.
831 – 31 =
3
2
4
800
|
2.
283 – 63 =
2
220
3
4
|
3.
255 + 408 =
3
4
663
2
|
4.
287 – 153 =
2
134
4
3
|
|
5.
867 + 128 =
3
995
2
4
|
6.
777 + 40 =
4
817
3
2
|
7.
405 – 154 =
4
3
251
2
|
8.
29 – 25 =
1
2
3
4
|
|
9.
991 – 280 =
3
711
4
2
|
10.
344 + 73 =
2
417
4
3
|
11.
215 + 48 =
4
263
3
2
|
12.
112 + 314 =
3
426
4
2
|
|
13.
499 + 148 =
3
647
2
4
|
14.
766 – 365 =
3
401
2
4
|
15.
717 – 105 =
612
3
2
4
|
16.
793 + 201 =
4
3
2
994
|
|
17.
331 – 298 =
3
4
2
33
|
18.
208 – 135 =
4
73
2
3
|
19.
102 + 119 =
221
3
2
4
|
20.
261 + 634 =
2
3
895
4
|
|
1.
831 – 31 =
3
2
4
800
|
2.
283 – 63 =
2
220
3
4
|
3.
255 + 408 =
3
4
663
2
|
4.
287 – 153 =
2
134
4
3
|
|
5.
867 + 128 =
3
995
2
4
|
6.
777 + 40 =
4
817
3
2
|
7.
405 – 154 =
4
3
251
2
|
8.
29 – 25 =
1
2
3
4
|
|
9.
991 – 280 =
3
711
4
2
|
10.
344 + 73 =
2
417
4
3
|
11.
215 + 48 =
4
263
3
2
|
12.
112 + 314 =
3
426
4
2
|
|
13.
499 + 148 =
3
647
2
4
|
14.
766 – 365 =
3
401
2
4
|
15.
717 – 105 =
612
3
2
4
|
16.
793 + 201 =
4
3
2
994
|
|
17.
331 – 298 =
3
4
2
33
|
18.
208 – 135 =
4
73
2
3
|
19.
102 + 119 =
221
3
2
4
|
20.
261 + 634 =
2
3
895
4
|