Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
822 – 729 =
93
2
|
2.
227 + 496 =
2
723
|
3.
54 – 39 =
15
1
|
4.
778 – 219 =
559
2
|
|
5.
330 + 389 =
2
719
|
6.
210 + 428 =
2
638
|
7.
861 + 88 =
949
2
|
8.
159 + 485 =
2
644
|
|
9.
994 + 0 =
2
994
|
10.
67 – 31 =
36
2
|
11.
64 + 483 =
2
547
|
12.
301 + 225 =
2
526
|
|
13.
527 + 398 =
2
925
|
14.
923 + 18 =
2
941
|
15.
571 + 193 =
764
2
|
16.
20 + 869 =
2
889
|
|
17.
950 + 0 =
950
2
|
18.
250 – 85 =
165
2
|
19.
273 – 48 =
2
225
|
20.
541 + 146 =
2
687
|