Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
377 – 89 =
3
2
288
4
|
2.
600 + 126 =
3
4
726
2
|
3.
547 – 204 =
2
343
4
3
|
4.
934 – 640 =
294
3
4
2
|
|
5.
407 – 319 =
3
4
2
88
|
6.
64 + 885 =
2
3
4
949
|
7.
715 + 189 =
2
3
4
904
|
8.
281 + 706 =
2
987
4
3
|
|
9.
830 – 372 =
4
2
458
3
|
10.
739 + 149 =
888
3
2
4
|
11.
804 + 79 =
4
883
3
2
|
12.
978 – 86 =
2
3
892
4
|
|
13.
721 + 192 =
3
4
913
2
|
14.
888 + 100 =
2
988
3
4
|
15.
675 + 43 =
718
4
3
2
|
16.
410 + 531 =
4
2
941
3
|
|
17.
776 – 398 =
3
378
4
2
|
18.
511 – 126 =
4
385
3
2
|
19.
541 + 194 =
3
2
4
735
|
20.
37 – 16 =
4
21
3
2
|