Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
989 – 325 =
2
664
|
2.
81 – 51 =
30
2
|
3.
610 – 204 =
406
2
|
4.
97 – 53 =
44
2
|
|
5.
570 – 440 =
130
2
|
6.
963 – 54 =
909
2
|
7.
687 – 349 =
338
2
|
8.
92 + 472 =
564
2
|
|
9.
883 + 45 =
2
928
|
10.
89 – 86 =
1
3
|
11.
205 – 95 =
2
110
|
12.
545 – 21 =
2
524
|
|
13.
141 + 460 =
2
601
|
14.
561 – 441 =
120
2
|
15.
156 + 566 =
722
2
|
16.
599 + 228 =
2
827
|
|
17.
500 + 404 =
2
904
|
18.
341 – 46 =
295
2
|
19.
919 – 643 =
2
276
|
20.
53 – 43 =
10
1
|