Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
497 + 412 =
3
909
2
4
|
2.
203 + 128 =
2
3
331
4
|
3.
195 – 155 =
3
40
4
2
|
4.
52 – 6 =
2
4
46
3
|
|
5.
204 + 227 =
3
2
431
4
|
6.
610 + 378 =
3
988
4
2
|
7.
668 – 539 =
129
3
4
2
|
8.
846 – 48 =
2
3
4
798
|
|
9.
438 + 106 =
2
3
544
4
|
10.
886 – 819 =
4
2
67
3
|
11.
510 + 72 =
2
582
3
4
|
12.
532 + 44 =
2
3
4
576
|
|
13.
69 + 407 =
476
2
3
4
|
14.
258 + 57 =
3
315
2
4
|
15.
956 – 812 =
3
2
4
144
|
16.
605 – 513 =
2
3
4
92
|
|
17.
755 + 54 =
4
809
3
2
|
18.
793 – 471 =
3
4
322
2
|
19.
922 – 506 =
3
416
4
2
|
20.
148 – 91 =
57
3
2
4
|