Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
746 + 146 =
892
4
3
2
|
2.
981 + 9 =
3
990
4
2
|
3.
786 – 142 =
4
644
3
2
|
4.
816 + 8 =
4
2
3
824
|
|
5.
671 – 56 =
3
4
615
2
|
6.
421 + 494 =
2
3
915
4
|
7.
677 + 110 =
4
787
2
3
|
8.
287 – 47 =
2
4
3
240
|
|
9.
798 – 47 =
3
4
2
751
|
10.
197 + 9 =
3
4
2
206
|
11.
867 – 253 =
4
2
3
614
|
12.
243 + 622 =
2
865
4
3
|
|
13.
83 – 72 =
11
1
2
3
|
14.
18 + 350 =
4
2
368
3
|
15.
584 + 280 =
3
864
2
4
|
16.
791 – 239 =
4
2
3
552
|
|
17.
409 – 317 =
3
4
2
92
|
18.
576 + 146 =
4
3
2
722
|
19.
982 – 731 =
251
3
2
4
|
20.
496 – 183 =
2
4
3
313
|