Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
59 – 58 =
2
1
|
2.
178 + 184 =
2
362
|
3.
403 + 489 =
2
892
|
4.
657 – 286 =
2
371
|
|
5.
969 + 3 =
972
2
|
6.
806 – 255 =
551
2
|
7.
7 + 833 =
2
840
|
8.
815 – 530 =
2
285
|
|
9.
340 + 148 =
488
2
|
10.
66 – 41 =
25
2
|
11.
526 – 267 =
2
259
|
12.
467 – 16 =
2
451
|
|
13.
64 – 64 =
0
2
|
14.
801 – 446 =
2
355
|
15.
873 – 870 =
3
1
|
16.
764 + 54 =
2
818
|
|
17.
366 + 67 =
433
2
|
18.
927 + 31 =
2
958
|
19.
276 – 42 =
2
234
|
20.
874 + 61 =
935
2
|