Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
619 + 82 =
701
3
4
2
|
2.
471 – 223 =
248
4
3
2
|
3.
197 + 61 =
3
2
4
258
|
4.
144 – 99 =
4
2
45
3
|
|
5.
645 – 59 =
3
586
2
4
|
6.
413 – 378 =
3
2
35
4
|
7.
48 + 845 =
3
893
4
2
|
8.
549 + 390 =
2
4
939
3
|
|
9.
805 – 8 =
2
4
3
797
|
10.
6 – 5 =
4
2
1
3
|
11.
694 + 117 =
3
2
811
4
|
12.
554 – 77 =
477
4
2
3
|
|
13.
106 + 181 =
287
3
4
2
|
14.
976 – 745 =
2
3
4
231
|
15.
370 + 64 =
4
434
2
3
|
16.
404 + 472 =
3
876
2
4
|
|
17.
457 + 146 =
4
2
3
603
|
18.
401 + 591 =
3
2
4
992
|
19.
732 – 96 =
636
4
2
3
|
20.
941 – 739 =
4
202
3
2
|