Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
306 + 622 =
4
928
2
3
|
2.
830 – 777 =
3
4
53
2
|
3.
631 + 245 =
4
2
876
3
|
4.
837 – 238 =
2
599
3
4
|
|
5.
753 + 235 =
988
4
2
3
|
6.
661 + 31 =
692
4
2
3
|
7.
576 – 62 =
3
4
514
2
|
8.
734 – 58 =
3
2
4
676
|
|
9.
51 + 555 =
606
4
2
3
|
10.
278 + 476 =
3
754
2
4
|
11.
532 – 321 =
2
3
4
211
|
12.
665 + 5 =
670
4
2
3
|
|
13.
573 – 466 =
107
3
4
2
|
14.
486 + 462 =
948
3
2
4
|
15.
910 – 407 =
4
2
503
3
|
16.
586 + 314 =
900
4
2
3
|
|
17.
914 – 375 =
539
4
2
3
|
18.
704 – 578 =
3
126
2
4
|
19.
523 – 16 =
2
507
4
3
|
20.
817 + 115 =
3
4
932
2
|