Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
564 – 207 =
2
357
3
4
|
2.
698 – 65 =
2
633
4
3
|
3.
521 + 22 =
4
2
543
3
|
4.
52 + 478 =
4
2
530
3
|
|
5.
980 – 917 =
3
4
2
63
|
6.
778 + 150 =
2
3
4
928
|
7.
940 – 488 =
3
452
4
2
|
8.
293 + 455 =
2
4
748
3
|
|
9.
716 + 35 =
2
751
4
3
|
10.
36 + 465 =
3
501
2
4
|
11.
551 – 6 =
545
4
3
2
|
12.
272 – 224 =
3
2
4
48
|
|
13.
717 – 594 =
4
123
3
2
|
14.
418 – 326 =
4
3
92
2
|
15.
473 + 327 =
2
800
3
4
|
16.
43 + 906 =
4
2
3
949
|
|
17.
949 – 861 =
4
88
3
2
|
18.
623 – 505 =
2
4
3
118
|
19.
488 + 198 =
686
4
3
2
|
20.
82 – 45 =
3
37
2
4
|