Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
391 – 352 =
4
3
39
2
|
2.
409 – 378 =
2
3
4
31
|
3.
860 – 610 =
2
4
3
250
|
4.
666 + 15 =
681
3
2
4
|
|
5.
347 + 585 =
932
4
3
2
|
6.
42 – 37 =
5
1
3
2
|
7.
992 – 775 =
4
3
217
2
|
8.
949 – 346 =
603
3
4
2
|
|
9.
619 – 475 =
3
4
2
144
|
10.
880 + 112 =
4
3
992
2
|
11.
837 – 739 =
98
3
4
2
|
12.
911 – 626 =
285
2
3
4
|
|
13.
982 + 2 =
3
4
2
984
|
14.
633 + 112 =
745
2
3
4
|
15.
766 – 252 =
4
514
3
2
|
16.
847 + 61 =
908
2
3
4
|
|
17.
34 – 25 =
9
3
1
2
|
18.
801 – 244 =
557
4
3
2
|
19.
748 + 158 =
906
3
4
2
|
20.
521 – 311 =
2
4
210
3
|