Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
586 + 41 =
2
627
|
2.
988 + 5 =
993
2
|
3.
34 – 0 =
2
34
|
4.
935 – 560 =
375
2
|
|
5.
21 + 164 =
185
2
|
6.
810 – 401 =
2
409
|
7.
470 + 313 =
783
2
|
8.
341 + 581 =
2
922
|
|
9.
651 + 174 =
825
2
|
10.
718 – 333 =
385
2
|
11.
291 – 119 =
2
172
|
12.
903 – 162 =
2
741
|
|
13.
514 + 172 =
2
686
|
14.
874 – 69 =
805
2
|
15.
864 – 217 =
647
2
|
16.
744 + 106 =
850
2
|
|
17.
652 + 330 =
2
982
|
18.
970 – 214 =
2
756
|
19.
725 + 155 =
880
2
|
20.
123 – 104 =
2
19
|