Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
83 – 68 =
15
1
3
2
|
2.
275 – 102 =
4
2
173
3
|
3.
67 + 626 =
693
2
3
4
|
4.
92 + 552 =
2
4
644
3
|
|
5.
776 – 328 =
4
2
448
3
|
6.
900 + 24 =
3
924
2
4
|
7.
598 – 519 =
79
2
4
3
|
8.
984 – 5 =
4
3
2
979
|
|
9.
499 + 222 =
4
3
721
2
|
10.
139 – 64 =
2
3
75
4
|
11.
84 + 827 =
3
2
911
4
|
12.
268 + 721 =
2
3
4
989
|
|
13.
737 – 185 =
3
552
2
4
|
14.
401 + 26 =
427
3
4
2
|
15.
699 + 31 =
730
2
4
3
|
16.
180 – 150 =
4
30
2
3
|
|
17.
7 – 7 =
2
0
3
4
|
18.
113 – 27 =
3
4
2
86
|
19.
581 + 179 =
760
4
2
3
|
20.
742 – 608 =
3
4
2
134
|