Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
273 + 468 =
741
3
4
2
|
2.
356 + 613 =
2
4
3
969
|
3.
50 + 287 =
4
3
2
337
|
4.
932 + 4 =
2
4
936
3
|
|
5.
283 + 45 =
4
2
3
328
|
6.
813 – 281 =
4
532
3
2
|
7.
580 + 234 =
814
4
2
3
|
8.
860 – 664 =
2
3
4
196
|
|
9.
105 + 510 =
2
4
615
3
|
10.
70 – 19 =
2
4
51
3
|
11.
349 + 90 =
439
3
4
2
|
12.
769 – 625 =
2
144
3
4
|
|
13.
827 – 436 =
3
391
2
4
|
14.
582 + 267 =
849
2
3
4
|
15.
719 – 87 =
4
2
3
632
|
16.
816 + 31 =
2
4
3
847
|
|
17.
24 + 703 =
727
4
2
3
|
18.
455 – 79 =
2
376
4
3
|
19.
821 + 179 =
2
4
1000
3
|
20.
138 + 478 =
4
3
616
2
|