Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
471 – 471 =
2
0
|
2.
190 – 31 =
159
2
|
3.
356 + 128 =
484
2
|
4.
443 – 37 =
406
2
|
|
5.
606 – 105 =
501
2
|
6.
974 + 7 =
2
981
|
7.
780 + 147 =
2
927
|
8.
2 – 2 =
2
0
|
|
9.
891 + 54 =
945
2
|
10.
52 + 276 =
328
2
|
11.
46 – 11 =
35
2
|
12.
537 + 131 =
2
668
|
|
13.
804 + 17 =
821
2
|
14.
825 + 52 =
877
2
|
15.
248 + 54 =
302
2
|
16.
4 + 13 =
17
2
|
|
17.
833 – 201 =
632
2
|
18.
194 + 519 =
713
2
|
19.
834 – 593 =
241
2
|
20.
489 + 183 =
2
672
|