Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
781 – 738 =
2
43
|
2.
573 – 367 =
206
2
|
3.
533 – 477 =
2
56
|
4.
139 + 243 =
2
382
|
|
5.
892 + 77 =
969
2
|
6.
50 – 37 =
1
13
|
7.
603 – 462 =
141
2
|
8.
621 + 89 =
2
710
|
|
9.
23 – 21 =
2
1
|
10.
261 – 47 =
214
2
|
11.
181 + 71 =
252
2
|
12.
362 – 180 =
182
2
|
|
13.
975 – 629 =
346
2
|
14.
261 + 71 =
2
332
|
15.
449 + 431 =
880
2
|
16.
303 – 130 =
2
173
|
|
17.
488 + 220 =
708
2
|
18.
526 – 180 =
2
346
|
19.
117 + 522 =
2
639
|
20.
947 – 157 =
2
790
|