Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
335 – 32 =
303
4
2
3
|
2.
76 + 83 =
2
3
4
159
|
3.
681 + 197 =
3
4
878
2
|
4.
809 – 167 =
3
642
2
4
|
|
5.
508 + 122 =
3
630
2
4
|
6.
823 + 30 =
4
3
2
853
|
7.
482 – 297 =
185
3
4
2
|
8.
89 – 48 =
3
41
4
2
|
|
9.
659 – 527 =
132
3
4
2
|
10.
462 – 403 =
2
3
59
4
|
11.
234 – 30 =
204
3
2
4
|
12.
464 + 157 =
4
3
621
2
|
|
13.
935 + 54 =
4
3
989
2
|
14.
29 – 24 =
1
2
3
5
|
15.
823 + 107 =
930
4
2
3
|
16.
682 + 135 =
817
3
4
2
|
|
17.
993 + 7 =
4
1000
3
2
|
18.
868 – 315 =
2
553
4
3
|
19.
662 – 406 =
2
3
256
4
|
20.
405 + 488 =
893
3
4
2
|