Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
572 – 506 =
66
4
3
2
|
2.
59 + 777 =
4
836
2
3
|
3.
173 + 31 =
3
4
2
204
|
4.
722 + 272 =
2
994
4
3
|
|
5.
859 + 51 =
4
3
910
2
|
6.
935 + 42 =
4
977
2
3
|
7.
886 – 520 =
3
366
2
4
|
8.
566 – 100 =
4
3
2
466
|
|
9.
80 + 491 =
3
571
4
2
|
10.
862 + 102 =
3
2
964
4
|
11.
897 + 25 =
4
922
2
3
|
12.
825 – 739 =
4
3
2
86
|
|
13.
398 + 124 =
3
522
2
4
|
14.
333 – 325 =
8
1
3
2
|
15.
162 + 402 =
3
4
564
2
|
16.
550 + 314 =
864
2
3
4
|
|
17.
146 – 36 =
110
3
4
2
|
18.
800 + 104 =
2
4
3
904
|
19.
677 – 28 =
4
2
3
649
|
20.
987 – 883 =
3
104
4
2
|