Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
618 – 509 =
2
109
|
2.
594 – 36 =
558
2
|
3.
638 – 53 =
2
585
|
4.
8 – 5 =
1
3
|
|
5.
761 – 551 =
210
2
|
6.
194 – 56 =
2
138
|
7.
875 + 107 =
982
2
|
8.
236 + 569 =
2
805
|
|
9.
241 – 213 =
28
2
|
10.
999 – 599 =
400
2
|
11.
645 – 494 =
2
151
|
12.
447 + 370 =
817
2
|
|
13.
874 – 221 =
2
653
|
14.
814 – 419 =
2
395
|
15.
597 – 17 =
2
580
|
16.
45 + 652 =
2
697
|
|
17.
285 – 249 =
36
2
|
18.
497 – 281 =
2
216
|
19.
41 – 30 =
1
11
|
20.
631 + 335 =
966
2
|