Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
91 – 83 =
1
8
|
2.
502 + 58 =
2
560
|
3.
89 – 15 =
74
2
|
4.
648 + 149 =
797
2
|
|
5.
569 + 318 =
887
2
|
6.
599 – 299 =
300
2
|
7.
747 + 166 =
2
913
|
8.
501 + 32 =
533
2
|
|
9.
715 + 140 =
2
855
|
10.
863 – 503 =
360
2
|
11.
648 + 59 =
2
707
|
12.
893 + 73 =
2
966
|
|
13.
67 + 423 =
2
490
|
14.
996 – 77 =
919
2
|
15.
398 + 207 =
2
605
|
16.
518 + 123 =
641
2
|
|
17.
572 – 22 =
550
2
|
18.
682 + 294 =
2
976
|
19.
467 + 427 =
894
2
|
20.
545 – 138 =
2
407
|