|
1.
689 – 673 =
2
16
|
2.
503 + 356 =
859
2
|
3.
80 + 499 =
579
2
|
4.
296 – 134 =
2
162
|
|
5.
787 – 297 =
490
2
|
6.
455 + 303 =
758
2
|
7.
719 + 270 =
989
2
|
8.
68 + 451 =
2
519
|
|
9.
687 – 229 =
2
458
|
10.
472 + 369 =
841
2
|
11.
246 – 42 =
204
2
|
12.
709 – 641 =
68
2
|
|
13.
686 – 529 =
157
2
|
14.
223 + 548 =
2
771
|
15.
447 – 182 =
265
2
|
16.
716 – 140 =
576
2
|
|
17.
298 – 199 =
2
99
|
18.
516 – 217 =
299
2
|
19.
971 + 21 =
992
2
|
20.
934 + 55 =
2
989
|
|
1.
689 – 673 =
2
16
|
2.
503 + 356 =
859
2
|
3.
80 + 499 =
579
2
|
4.
296 – 134 =
2
162
|
|
5.
787 – 297 =
490
2
|
6.
455 + 303 =
758
2
|
7.
719 + 270 =
989
2
|
8.
68 + 451 =
2
519
|
|
9.
687 – 229 =
2
458
|
10.
472 + 369 =
841
2
|
11.
246 – 42 =
204
2
|
12.
709 – 641 =
68
2
|
|
13.
686 – 529 =
157
2
|
14.
223 + 548 =
2
771
|
15.
447 – 182 =
265
2
|
16.
716 – 140 =
576
2
|
|
17.
298 – 199 =
2
99
|
18.
516 – 217 =
299
2
|
19.
971 + 21 =
992
2
|
20.
934 + 55 =
2
989
|