Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
289 – 197 =
2
3
92
4
|
2.
383 – 90 =
4
3
2
293
|
3.
687 + 212 =
2
899
4
3
|
4.
950 + 15 =
4
2
3
965
|
|
5.
134 + 425 =
559
4
3
2
|
6.
841 – 427 =
414
3
2
4
|
7.
327 + 166 =
4
2
3
493
|
8.
218 – 34 =
184
3
4
2
|
|
9.
174 – 76 =
4
2
3
98
|
10.
731 – 379 =
4
352
2
3
|
11.
709 + 143 =
2
852
4
3
|
12.
230 – 9 =
3
221
2
4
|
|
13.
38 – 22 =
2
4
16
3
|
14.
776 + 101 =
4
877
2
3
|
15.
700 + 177 =
2
4
877
3
|
16.
747 + 2 =
4
749
2
3
|
|
17.
682 – 348 =
2
4
3
334
|
18.
647 + 28 =
675
2
4
3
|
19.
348 + 599 =
2
3
947
4
|
20.
373 – 175 =
4
3
2
198
|