Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
677 – 447 =
3
4
230
2
|
2.
360 + 513 =
2
4
873
3
|
3.
687 – 265 =
3
2
422
4
|
4.
1 – 1 =
2
4
3
0
|
|
5.
819 – 131 =
2
4
3
688
|
6.
311 – 67 =
2
244
4
3
|
7.
652 + 217 =
3
2
869
4
|
8.
932 – 896 =
4
2
3
36
|
|
9.
985 – 516 =
4
3
2
469
|
10.
982 + 0 =
982
2
3
4
|
11.
493 – 11 =
4
3
482
2
|
12.
49 – 9 =
4
3
2
40
|
|
13.
604 + 67 =
3
4
671
2
|
14.
621 – 203 =
4
2
418
3
|
15.
590 – 26 =
4
2
3
564
|
16.
278 + 392 =
670
2
3
4
|
|
17.
192 – 82 =
3
2
110
4
|
18.
859 – 821 =
2
38
4
3
|
19.
144 – 77 =
3
4
67
2
|
20.
954 – 581 =
373
3
2
4
|