Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
167 – 126 =
41
2
|
2.
540 + 62 =
602
2
|
3.
585 + 78 =
2
663
|
4.
600 – 403 =
2
197
|
|
5.
965 + 14 =
2
979
|
6.
942 + 52 =
994
2
|
7.
709 – 325 =
384
2
|
8.
570 – 194 =
376
2
|
|
9.
158 – 96 =
62
2
|
10.
924 – 272 =
2
652
|
11.
347 – 69 =
2
278
|
12.
610 + 198 =
808
2
|
|
13.
70 – 56 =
1
14
|
14.
757 – 5 =
2
752
|
15.
291 + 628 =
2
919
|
16.
486 – 157 =
2
329
|
|
17.
834 – 810 =
24
2
|
18.
951 + 5 =
956
2
|
19.
268 – 5 =
2
263
|
20.
219 – 20 =
199
2
|