Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
979 – 246 =
733
2
|
2.
340 + 216 =
2
556
|
3.
106 – 89 =
17
2
|
4.
900 + 15 =
2
915
|
|
5.
401 – 131 =
270
2
|
6.
64 + 512 =
576
2
|
7.
406 – 12 =
2
394
|
8.
790 + 57 =
2
847
|
|
9.
809 – 517 =
292
2
|
10.
759 + 82 =
841
2
|
11.
859 + 46 =
905
2
|
12.
181 – 130 =
51
2
|
|
13.
546 + 346 =
892
2
|
14.
603 + 157 =
2
760
|
15.
973 + 9 =
982
2
|
16.
947 + 33 =
2
980
|
|
17.
653 – 267 =
2
386
|
18.
885 + 67 =
952
2
|
19.
139 – 72 =
67
2
|
20.
216 + 273 =
489
2
|