|
1.
686 – 336 =
2
350
|
2.
604 + 22 =
2
626
|
3.
162 – 107 =
2
55
|
4.
763 + 57 =
820
2
|
|
5.
827 – 105 =
722
2
|
6.
961 – 961 =
2
0
|
7.
71 – 37 =
34
2
|
8.
822 – 39 =
2
783
|
|
9.
890 + 61 =
951
2
|
10.
589 + 80 =
2
669
|
11.
159 + 8 =
2
167
|
12.
481 – 171 =
310
2
|
|
13.
814 + 163 =
977
2
|
14.
811 + 126 =
937
2
|
15.
43 + 468 =
2
511
|
16.
991 – 794 =
197
2
|
|
17.
4 – 4 =
0
2
|
18.
184 – 70 =
2
114
|
19.
991 – 2 =
989
2
|
20.
293 – 125 =
2
168
|
|
1.
686 – 336 =
2
350
|
2.
604 + 22 =
2
626
|
3.
162 – 107 =
2
55
|
4.
763 + 57 =
820
2
|
|
5.
827 – 105 =
722
2
|
6.
961 – 961 =
2
0
|
7.
71 – 37 =
34
2
|
8.
822 – 39 =
2
783
|
|
9.
890 + 61 =
951
2
|
10.
589 + 80 =
2
669
|
11.
159 + 8 =
2
167
|
12.
481 – 171 =
310
2
|
|
13.
814 + 163 =
977
2
|
14.
811 + 126 =
937
2
|
15.
43 + 468 =
2
511
|
16.
991 – 794 =
197
2
|
|
17.
4 – 4 =
0
2
|
18.
184 – 70 =
2
114
|
19.
991 – 2 =
989
2
|
20.
293 – 125 =
2
168
|