Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
776 – 669 =
2
107
|
2.
936 + 36 =
2
972
|
3.
442 + 163 =
2
605
|
4.
539 + 115 =
2
654
|
|
5.
634 – 338 =
2
296
|
6.
505 – 378 =
127
2
|
7.
404 + 287 =
691
2
|
8.
667 – 46 =
2
621
|
|
9.
57 – 5 =
52
2
|
10.
439 – 126 =
2
313
|
11.
520 – 451 =
69
2
|
12.
26 + 80 =
2
106
|
|
13.
499 – 134 =
2
365
|
14.
909 + 71 =
2
980
|
15.
749 – 448 =
2
301
|
16.
472 + 362 =
834
2
|
|
17.
552 + 155 =
2
707
|
18.
68 + 834 =
2
902
|
19.
801 – 460 =
2
341
|
20.
508 + 479 =
2
987
|