Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
584 + 247 =
2
831
3
4
|
2.
906 – 420 =
3
486
2
4
|
3.
828 + 50 =
2
3
4
878
|
4.
134 + 138 =
4
272
3
2
|
|
5.
704 + 11 =
4
3
715
2
|
6.
330 – 308 =
3
4
22
2
|
7.
675 + 295 =
4
2
3
970
|
8.
665 – 458 =
2
4
3
207
|
|
9.
894 – 866 =
2
4
3
28
|
10.
309 + 618 =
2
4
927
3
|
11.
40 + 957 =
2
3
4
997
|
12.
995 + 1 =
2
4
996
3
|
|
13.
716 + 67 =
4
2
783
3
|
14.
553 + 422 =
3
2
975
4
|
15.
287 + 89 =
4
376
3
2
|
16.
568 – 507 =
3
4
61
2
|
|
17.
15 – 8 =
7
3
2
1
|
18.
751 + 146 =
4
3
897
2
|
19.
809 – 175 =
3
634
2
4
|
20.
992 + 8 =
2
4
3
1000
|