Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
946 – 434 =
2
512
|
2.
43 – 41 =
2
1
|
3.
83 + 652 =
2
735
|
4.
567 – 141 =
426
2
|
|
5.
404 – 125 =
2
279
|
6.
615 – 61 =
554
2
|
7.
844 – 794 =
2
50
|
8.
940 + 38 =
2
978
|
|
9.
372 – 245 =
127
2
|
10.
534 – 3 =
531
2
|
11.
405 – 271 =
2
134
|
12.
547 – 103 =
444
2
|
|
13.
287 – 13 =
274
2
|
14.
287 + 64 =
351
2
|
15.
670 – 246 =
424
2
|
16.
963 + 31 =
2
994
|
|
17.
672 – 600 =
72
2
|
18.
243 + 212 =
455
2
|
19.
962 + 27 =
2
989
|
20.
721 – 377 =
344
2
|