Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
172 – 133 =
39
4
3
2
|
2.
755 + 216 =
971
2
3
4
|
3.
668 + 72 =
3
740
2
4
|
4.
610 + 373 =
3
2
4
983
|
|
5.
51 – 13 =
2
3
38
4
|
6.
188 – 137 =
51
4
3
2
|
7.
991 + 2 =
2
993
4
3
|
8.
991 + 0 =
2
3
991
4
|
|
9.
646 – 191 =
2
4
455
3
|
10.
993 + 0 =
4
3
993
2
|
11.
830 – 546 =
2
284
3
4
|
12.
61 + 315 =
3
2
4
376
|
|
13.
311 – 257 =
54
3
4
2
|
14.
626 + 296 =
2
3
4
922
|
15.
992 + 4 =
3
4
996
2
|
16.
160 – 73 =
87
3
2
4
|
|
17.
326 – 33 =
4
3
293
2
|
18.
468 + 503 =
2
4
971
3
|
19.
834 + 138 =
4
3
2
972
|
20.
182 – 102 =
3
4
2
80
|