Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
408 – 122 =
2
286
|
2.
281 + 454 =
2
735
|
3.
440 + 499 =
2
939
|
4.
836 – 597 =
239
2
|
|
5.
628 – 210 =
2
418
|
6.
631 – 602 =
2
29
|
7.
492 + 307 =
799
2
|
8.
744 + 47 =
791
2
|
|
9.
424 – 51 =
2
373
|
10.
148 + 608 =
756
2
|
11.
664 + 185 =
2
849
|
12.
554 – 356 =
2
198
|
|
13.
243 – 35 =
2
208
|
14.
252 – 239 =
13
1
|
15.
140 – 13 =
127
2
|
16.
866 + 71 =
937
2
|
|
17.
516 + 236 =
752
2
|
18.
123 + 234 =
2
357
|
19.
894 + 63 =
957
2
|
20.
306 + 466 =
772
2
|