Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
998 – 504 =
2
494
|
2.
74 – 12 =
62
2
|
3.
645 + 60 =
705
2
|
4.
264 – 204 =
60
2
|
|
5.
900 + 2 =
2
902
|
6.
737 – 193 =
544
2
|
7.
128 – 56 =
2
72
|
8.
874 + 108 =
982
2
|
|
9.
908 – 893 =
1
15
|
10.
697 + 130 =
827
2
|
11.
476 + 37 =
2
513
|
12.
627 – 312 =
2
315
|
|
13.
651 – 364 =
2
287
|
14.
648 – 252 =
2
396
|
15.
581 – 77 =
2
504
|
16.
504 – 372 =
132
2
|
|
17.
319 – 106 =
2
213
|
18.
159 – 150 =
1
9
|
19.
743 – 266 =
2
477
|
20.
47 + 333 =
2
380
|