Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
670 – 638 =
32
2
|
2.
547 + 115 =
2
662
|
3.
434 – 99 =
2
335
|
4.
536 + 383 =
2
919
|
|
5.
429 – 61 =
368
2
|
6.
401 – 323 =
78
2
|
7.
559 + 185 =
2
744
|
8.
923 + 27 =
950
2
|
|
9.
768 + 76 =
844
2
|
10.
948 + 19 =
2
967
|
11.
431 + 333 =
2
764
|
12.
692 – 308 =
2
384
|
|
13.
305 + 231 =
2
536
|
14.
756 – 739 =
17
2
|
15.
481 + 450 =
931
2
|
16.
413 – 373 =
40
2
|
|
17.
701 – 216 =
2
485
|
18.
589 – 235 =
354
2
|
19.
934 + 52 =
2
986
|
20.
734 + 199 =
2
933
|