Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
839 + 18 =
2
857
|
2.
981 – 719 =
2
262
|
3.
597 + 239 =
2
836
|
4.
455 + 256 =
2
711
|
|
5.
436 + 211 =
647
2
|
6.
465 + 38 =
2
503
|
7.
443 – 405 =
2
38
|
8.
847 – 128 =
719
2
|
|
9.
873 + 116 =
989
2
|
10.
227 + 376 =
2
603
|
11.
33 – 11 =
22
2
|
12.
920 + 31 =
2
951
|
|
13.
100 – 67 =
33
2
|
14.
385 + 210 =
595
2
|
15.
640 – 353 =
2
287
|
16.
349 + 331 =
680
2
|
|
17.
337 + 661 =
2
998
|
18.
261 – 70 =
191
2
|
19.
531 – 388 =
143
2
|
20.
692 – 106 =
2
586
|