Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
485 – 440 =
2
4
3
45
|
2.
965 + 23 =
2
988
4
3
|
3.
323 + 82 =
405
3
2
4
|
4.
572 + 239 =
2
3
811
4
|
|
5.
421 – 264 =
157
3
4
2
|
6.
197 – 3 =
2
194
3
4
|
7.
502 – 178 =
324
2
3
4
|
8.
860 + 69 =
4
929
2
3
|
|
9.
200 + 531 =
4
731
3
2
|
10.
246 – 73 =
4
173
3
2
|
11.
663 + 263 =
4
2
926
3
|
12.
385 – 328 =
4
2
3
57
|
|
13.
723 – 257 =
4
3
2
466
|
14.
417 + 97 =
2
514
3
4
|
15.
440 – 395 =
4
2
3
45
|
16.
136 + 733 =
4
2
869
3
|
|
17.
983 – 637 =
4
2
3
346
|
18.
651 – 371 =
4
3
280
2
|
19.
662 + 24 =
686
2
4
3
|
20.
387 + 329 =
4
716
3
2
|