Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
761 – 90 =
2
4
671
3
|
2.
242 + 629 =
871
2
4
3
|
3.
647 + 295 =
942
3
2
4
|
4.
912 + 49 =
961
2
4
3
|
|
5.
178 – 178 =
4
2
0
3
|
6.
50 – 14 =
3
4
36
2
|
7.
942 + 47 =
2
4
3
989
|
8.
712 – 57 =
2
4
3
655
|
|
9.
264 + 656 =
4
3
920
2
|
10.
790 – 546 =
244
4
2
3
|
11.
707 + 201 =
4
908
3
2
|
12.
379 + 98 =
477
2
4
3
|
|
13.
876 + 85 =
3
4
961
2
|
14.
213 + 637 =
850
2
3
4
|
15.
649 – 196 =
453
3
2
4
|
16.
128 + 175 =
4
303
2
3
|
|
17.
344 – 182 =
3
4
2
162
|
18.
645 + 332 =
2
4
977
3
|
19.
278 + 646 =
924
2
3
4
|
20.
194 + 566 =
2
4
760
3
|