Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
600 + 279 =
879
2
|
2.
287 + 93 =
380
2
|
3.
288 + 79 =
367
2
|
4.
413 + 478 =
891
2
|
|
5.
597 – 54 =
2
543
|
6.
266 + 323 =
589
2
|
7.
638 – 129 =
509
2
|
8.
260 – 115 =
2
145
|
|
9.
584 – 521 =
2
63
|
10.
523 + 389 =
2
912
|
11.
664 + 176 =
840
2
|
12.
800 + 95 =
895
2
|
|
13.
933 – 271 =
2
662
|
14.
9 + 349 =
2
358
|
15.
293 – 252 =
2
41
|
16.
714 – 175 =
2
539
|
|
17.
398 + 414 =
2
812
|
18.
68 – 20 =
2
48
|
19.
774 – 25 =
749
2
|
20.
844 + 28 =
2
872
|