Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
484 + 205 =
2
689
|
2.
396 – 28 =
2
368
|
3.
495 + 219 =
2
714
|
4.
43 + 432 =
2
475
|
|
5.
90 – 41 =
2
49
|
6.
51 + 43 =
94
2
|
7.
673 – 476 =
197
2
|
8.
808 – 64 =
744
2
|
|
9.
248 – 198 =
2
50
|
10.
777 – 234 =
2
543
|
11.
867 – 38 =
829
2
|
12.
437 – 80 =
2
357
|
|
13.
91 – 86 =
5
1
|
14.
641 + 267 =
908
2
|
15.
232 + 254 =
486
2
|
16.
828 – 311 =
2
517
|
|
17.
806 + 95 =
2
901
|
18.
878 + 93 =
971
2
|
19.
206 – 129 =
77
2
|
20.
726 – 219 =
507
2
|