Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
224 + 406 =
2
630
3
4
|
2.
701 – 592 =
4
109
3
2
|
3.
710 + 227 =
937
3
4
2
|
4.
521 – 492 =
2
29
3
4
|
|
5.
637 + 19 =
3
2
4
656
|
6.
76 + 574 =
4
650
2
3
|
7.
166 – 98 =
68
4
2
3
|
8.
742 + 102 =
4
844
2
3
|
|
9.
80 + 784 =
4
2
864
3
|
10.
492 + 455 =
2
947
3
4
|
11.
998 + 0 =
2
998
4
3
|
12.
630 – 150 =
480
3
4
2
|
|
13.
711 + 124 =
835
2
4
3
|
14.
406 + 577 =
983
3
2
4
|
15.
880 – 745 =
4
135
2
3
|
16.
768 + 43 =
811
4
3
2
|
|
17.
987 – 90 =
2
3
897
4
|
18.
386 – 332 =
54
3
2
4
|
19.
955 – 899 =
56
4
2
3
|
20.
314 – 312 =
1
2
4
3
|