Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
471 + 482 =
953
4
2
3
|
2.
582 + 102 =
3
684
4
2
|
3.
686 + 311 =
4
2
997
3
|
4.
235 + 24 =
4
2
259
3
|
|
5.
821 + 145 =
2
4
3
966
|
6.
828 + 37 =
2
3
4
865
|
7.
867 + 24 =
4
2
891
3
|
8.
302 – 151 =
151
4
2
3
|
|
9.
480 + 59 =
4
2
3
539
|
10.
22 – 12 =
3
10
2
1
|
11.
135 + 770 =
905
2
3
4
|
12.
751 + 107 =
4
858
2
3
|
|
13.
946 – 86 =
2
3
4
860
|
14.
237 + 243 =
4
3
2
480
|
15.
735 + 167 =
3
902
4
2
|
16.
79 + 599 =
678
2
3
4
|
|
17.
570 – 89 =
2
4
481
3
|
18.
130 + 637 =
3
4
767
2
|
19.
430 + 498 =
2
4
3
928
|
20.
405 + 570 =
975
4
2
3
|