Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
427 + 440 =
4
2
867
3
|
2.
266 – 122 =
4
144
3
2
|
3.
454 + 189 =
3
643
2
4
|
4.
443 + 213 =
3
656
2
4
|
|
5.
61 – 60 =
4
2
1
3
|
6.
751 – 197 =
4
554
2
3
|
7.
924 – 353 =
4
2
3
571
|
8.
460 + 426 =
4
3
886
2
|
|
9.
432 – 315 =
3
2
117
4
|
10.
645 – 257 =
4
2
388
3
|
11.
133 – 34 =
99
4
2
3
|
12.
474 – 90 =
4
2
384
3
|
|
13.
809 + 114 =
923
4
3
2
|
14.
737 + 41 =
778
2
3
4
|
15.
259 – 192 =
4
2
67
3
|
16.
684 – 153 =
2
3
531
4
|
|
17.
607 – 231 =
376
4
3
2
|
18.
759 + 156 =
4
2
915
3
|
19.
415 – 193 =
3
222
2
4
|
20.
268 + 639 =
4
2
3
907
|