Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
303 – 8 =
2
295
3
4
|
2.
564 + 432 =
996
3
4
2
|
3.
614 – 213 =
3
4
401
2
|
4.
789 + 160 =
949
3
4
2
|
|
5.
749 – 157 =
4
592
3
2
|
6.
820 – 77 =
4
2
743
3
|
7.
581 + 268 =
2
849
4
3
|
8.
224 – 15 =
4
209
2
3
|
|
9.
830 – 270 =
2
3
4
560
|
10.
312 – 280 =
4
3
2
32
|
11.
323 + 645 =
3
2
4
968
|
12.
556 + 201 =
757
4
2
3
|
|
13.
924 + 1 =
925
3
4
2
|
14.
607 + 148 =
4
3
755
2
|
15.
817 – 388 =
2
429
3
4
|
16.
115 – 25 =
2
4
3
90
|
|
17.
530 – 279 =
2
4
3
251
|
18.
535 + 337 =
3
4
872
2
|
19.
716 – 275 =
2
4
441
3
|
20.
91 + 405 =
496
4
2
3
|