Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
903 – 320 =
2
3
4
583
|
2.
257 – 122 =
3
2
135
4
|
3.
922 – 634 =
2
288
3
4
|
4.
924 – 234 =
3
2
4
690
|
|
5.
829 – 296 =
2
533
3
4
|
6.
551 + 398 =
949
4
3
2
|
7.
963 + 17 =
980
3
2
4
|
8.
431 + 548 =
3
979
4
2
|
|
9.
639 + 334 =
4
973
3
2
|
10.
10 + 795 =
805
2
4
3
|
11.
785 + 80 =
865
2
4
3
|
12.
52 + 858 =
910
4
3
2
|
|
13.
400 – 10 =
2
390
3
4
|
14.
259 + 581 =
840
4
2
3
|
15.
560 + 271 =
2
3
831
4
|
16.
545 – 120 =
4
425
3
2
|
|
17.
846 – 317 =
4
3
529
2
|
18.
492 – 219 =
4
3
2
273
|
19.
397 + 295 =
3
692
2
4
|
20.
88 + 224 =
4
3
2
312
|