Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
23 – 10 =
3
2
1
13
|
2.
471 – 357 =
2
4
114
3
|
3.
986 – 746 =
3
240
4
2
|
4.
335 – 231 =
104
4
3
2
|
|
5.
988 + 0 =
4
3
988
2
|
6.
603 + 205 =
2
808
3
4
|
7.
945 – 898 =
4
2
3
47
|
8.
182 – 6 =
2
4
176
3
|
|
9.
93 – 20 =
4
2
73
3
|
10.
752 – 684 =
3
4
2
68
|
11.
253 – 20 =
2
4
3
233
|
12.
655 – 270 =
3
4
385
2
|
|
13.
889 – 806 =
83
2
3
4
|
14.
779 – 406 =
4
2
373
3
|
15.
120 + 678 =
2
798
3
4
|
16.
533 – 57 =
476
4
2
3
|
|
17.
387 + 494 =
881
2
4
3
|
18.
538 + 127 =
3
2
665
4
|
19.
185 + 643 =
828
3
2
4
|
20.
509 + 31 =
3
540
4
2
|