Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
31 – 19 =
12
1
|
2.
675 – 593 =
2
82
|
3.
813 – 638 =
175
2
|
4.
942 + 23 =
2
965
|
|
5.
30 + 919 =
949
2
|
6.
833 + 40 =
873
2
|
7.
695 + 34 =
729
2
|
8.
756 + 118 =
874
2
|
|
9.
949 + 30 =
979
2
|
10.
275 – 259 =
2
16
|
11.
492 – 237 =
2
255
|
12.
482 + 504 =
986
2
|
|
13.
37 – 3 =
34
2
|
14.
972 – 722 =
2
250
|
15.
528 + 81 =
2
609
|
16.
547 + 450 =
997
2
|
|
17.
196 – 137 =
2
59
|
18.
639 – 482 =
2
157
|
19.
638 – 127 =
511
2
|
20.
280 – 267 =
1
13
|