Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
523 – 472 =
51
2
|
2.
231 + 68 =
2
299
|
3.
750 – 418 =
2
332
|
4.
847 + 49 =
2
896
|
|
5.
460 + 460 =
920
2
|
6.
958 + 1 =
2
959
|
7.
550 + 444 =
994
2
|
8.
227 + 447 =
2
674
|
|
9.
704 + 115 =
819
2
|
10.
943 – 722 =
2
221
|
11.
432 + 469 =
901
2
|
12.
693 + 84 =
777
2
|
|
13.
531 + 144 =
2
675
|
14.
232 – 104 =
2
128
|
15.
322 + 220 =
2
542
|
16.
623 – 133 =
490
2
|
|
17.
213 + 173 =
386
2
|
18.
659 + 122 =
2
781
|
19.
537 + 255 =
2
792
|
20.
376 – 229 =
2
147
|