Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
513 – 97 =
4
2
3
416
|
2.
505 + 477 =
2
3
4
982
|
3.
879 + 77 =
3
956
4
2
|
4.
126 + 873 =
999
3
4
2
|
|
5.
13 + 453 =
2
3
4
466
|
6.
60 + 863 =
4
923
3
2
|
7.
865 + 64 =
2
929
4
3
|
8.
668 – 62 =
3
4
2
606
|
|
9.
886 + 21 =
2
3
4
907
|
10.
455 – 93 =
3
2
362
4
|
11.
711 + 71 =
782
2
3
4
|
12.
345 + 341 =
4
2
686
3
|
|
13.
770 + 191 =
2
961
3
4
|
14.
689 – 296 =
3
2
393
4
|
15.
638 – 634 =
3
1
2
4
|
16.
12 + 663 =
3
675
2
4
|
|
17.
668 + 113 =
2
781
4
3
|
18.
307 + 367 =
3
674
2
4
|
19.
968 – 840 =
2
4
128
3
|
20.
282 – 113 =
169
3
4
2
|