Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
56 – 20 =
3
2
4
36
|
2.
838 + 63 =
2
4
3
901
|
3.
300 + 402 =
2
702
3
4
|
4.
205 + 734 =
3
939
2
4
|
|
5.
762 – 66 =
4
696
3
2
|
6.
885 + 86 =
2
4
971
3
|
7.
482 + 138 =
3
2
620
4
|
8.
722 – 313 =
4
2
409
3
|
|
9.
692 + 232 =
3
924
4
2
|
10.
968 + 26 =
2
3
4
994
|
11.
797 + 19 =
2
816
4
3
|
12.
455 – 5 =
450
4
2
3
|
|
13.
3 – 2 =
4
1
3
2
|
14.
223 + 147 =
4
2
370
3
|
15.
617 – 339 =
4
3
2
278
|
16.
41 – 1 =
40
3
4
2
|
|
17.
536 + 211 =
4
3
747
2
|
18.
199 + 271 =
4
2
3
470
|
19.
970 – 863 =
3
2
107
4
|
20.
218 – 59 =
159
4
3
2
|