Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
61 – 41 =
20
3
2
4
|
2.
335 + 494 =
2
829
3
4
|
3.
84 – 48 =
36
2
4
3
|
4.
716 – 311 =
4
405
3
2
|
|
5.
1 – 0 =
2
1
3
4
|
6.
60 – 60 =
2
3
4
0
|
7.
943 + 13 =
4
956
2
3
|
8.
127 + 724 =
4
851
3
2
|
|
9.
936 – 612 =
2
3
4
324
|
10.
341 – 39 =
3
2
4
302
|
11.
748 + 77 =
2
825
3
4
|
12.
551 + 442 =
2
3
993
4
|
|
13.
332 – 90 =
242
2
4
3
|
14.
667 + 123 =
4
790
2
3
|
15.
118 + 446 =
4
3
2
564
|
16.
669 + 292 =
3
2
961
4
|
|
17.
392 + 7 =
399
2
4
3
|
18.
705 + 277 =
3
2
4
982
|
19.
580 – 70 =
2
4
510
3
|
20.
431 + 282 =
2
4
3
713
|