Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
89 – 46 =
3
43
4
2
|
2.
969 + 15 =
4
3
984
2
|
3.
736 + 224 =
3
2
960
4
|
4.
578 – 489 =
4
2
89
3
|
|
5.
644 + 82 =
726
2
3
4
|
6.
117 – 113 =
4
2
3
1
|
7.
780 – 745 =
35
3
2
4
|
8.
720 – 691 =
4
2
29
3
|
|
9.
762 – 411 =
351
2
4
3
|
10.
593 + 138 =
4
731
3
2
|
11.
115 – 88 =
4
27
2
3
|
12.
676 – 179 =
2
497
3
4
|
|
13.
72 – 3 =
3
4
2
69
|
14.
578 – 268 =
310
3
4
2
|
15.
696 – 500 =
2
3
196
4
|
16.
61 + 63 =
124
2
3
4
|
|
17.
6 – 1 =
3
2
5
1
|
18.
245 + 349 =
3
4
594
2
|
19.
315 + 372 =
4
687
3
2
|
20.
141 – 34 =
4
2
3
107
|