Erbij en eraf tot 1.000
In de mix
|
1.
284 + 326 =
610
2
|
2.
995 + 4 =
2
999
|
3.
907 – 73 =
2
834
|
4.
705 – 397 =
2
308
|
|
5.
524 + 76 =
2
600
|
6.
3 – 3 =
0
2
|
7.
107 – 76 =
31
2
|
8.
312 – 275 =
37
2
|
|
9.
636 + 42 =
2
678
|
10.
569 – 491 =
78
2
|
11.
284 + 285 =
2
569
|
12.
434 – 395 =
2
39
|
|
13.
406 + 438 =
844
2
|
14.
318 + 613 =
2
931
|
15.
345 + 1 =
346
2
|
16.
666 – 614 =
52
2
|
|
17.
456 – 146 =
310
2
|
18.
542 + 127 =
669
2
|
19.
379 + 440 =
819
2
|
20.
888 + 38 =
2
926
|