Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
597 – 439 =
158
3
4
2
|
2.
919 – 267 =
3
2
4
652
|
3.
881 + 7 =
888
2
4
3
|
4.
116 – 113 =
1
2
4
3
|
|
5.
378 – 352 =
26
3
4
2
|
6.
268 + 543 =
3
4
2
811
|
7.
158 – 139 =
2
4
3
19
|
8.
288 + 107 =
2
4
395
3
|
|
9.
93 + 689 =
3
4
782
2
|
10.
477 – 346 =
131
4
3
2
|
11.
629 – 600 =
29
3
4
2
|
12.
741 – 18 =
723
2
3
4
|
|
13.
922 – 358 =
4
2
3
564
|
14.
919 – 562 =
4
2
357
3
|
15.
82 – 22 =
4
60
3
2
|
16.
213 + 159 =
3
2
372
4
|
|
17.
769 + 124 =
3
4
2
893
|
18.
944 + 56 =
4
3
2
1000
|
19.
963 – 5 =
2
958
3
4
|
20.
850 + 137 =
987
4
2
3
|