Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
244 + 427 =
2
671
|
2.
842 + 43 =
885
2
|
3.
915 + 23 =
2
938
|
4.
859 – 435 =
2
424
|
|
5.
780 – 621 =
2
159
|
6.
868 – 539 =
329
2
|
7.
634 – 475 =
159
2
|
8.
463 + 229 =
2
692
|
|
9.
287 + 228 =
2
515
|
10.
524 – 161 =
2
363
|
11.
531 – 342 =
2
189
|
12.
743 + 151 =
2
894
|
|
13.
20 – 20 =
2
0
|
14.
416 + 487 =
903
2
|
15.
528 – 77 =
451
2
|
16.
526 + 460 =
2
986
|
|
17.
441 + 104 =
2
545
|
18.
562 – 22 =
540
2
|
19.
579 + 370 =
949
2
|
20.
142 + 422 =
2
564
|