|
1.
524 – 409 =
2
115
|
2.
404 – 96 =
308
2
|
3.
69 – 51 =
18
2
|
4.
379 + 431 =
2
810
|
|
5.
717 + 235 =
2
952
|
6.
53 – 49 =
1
4
|
7.
408 + 452 =
860
2
|
8.
146 – 73 =
2
73
|
|
9.
187 – 159 =
2
28
|
10.
661 + 141 =
2
802
|
11.
69 + 883 =
952
2
|
12.
506 + 409 =
2
915
|
|
13.
143 – 73 =
2
70
|
14.
593 + 51 =
2
644
|
15.
963 + 17 =
2
980
|
16.
904 – 256 =
2
648
|
|
17.
277 – 202 =
2
75
|
18.
408 + 82 =
2
490
|
19.
227 – 216 =
1
11
|
20.
16 + 638 =
654
2
|
|
1.
524 – 409 =
2
115
|
2.
404 – 96 =
308
2
|
3.
69 – 51 =
18
2
|
4.
379 + 431 =
2
810
|
|
5.
717 + 235 =
2
952
|
6.
53 – 49 =
1
4
|
7.
408 + 452 =
860
2
|
8.
146 – 73 =
2
73
|
|
9.
187 – 159 =
2
28
|
10.
661 + 141 =
2
802
|
11.
69 + 883 =
952
2
|
12.
506 + 409 =
2
915
|
|
13.
143 – 73 =
2
70
|
14.
593 + 51 =
2
644
|
15.
963 + 17 =
2
980
|
16.
904 – 256 =
2
648
|
|
17.
277 – 202 =
2
75
|
18.
408 + 82 =
2
490
|
19.
227 – 216 =
1
11
|
20.
16 + 638 =
654
2
|