Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
735 – 291 =
444
2
|
2.
543 + 212 =
2
755
|
3.
742 + 14 =
2
756
|
4.
89 – 34 =
55
2
|
|
5.
122 + 753 =
875
2
|
6.
119 + 679 =
798
2
|
7.
285 + 249 =
534
2
|
8.
33 – 3 =
30
2
|
|
9.
339 + 39 =
2
378
|
10.
557 + 344 =
901
2
|
11.
723 – 279 =
444
2
|
12.
418 + 28 =
2
446
|
|
13.
597 + 0 =
597
2
|
14.
729 – 311 =
418
2
|
15.
624 – 330 =
2
294
|
16.
38 – 7 =
31
2
|
|
17.
726 – 148 =
578
2
|
18.
47 + 489 =
2
536
|
19.
170 – 157 =
13
1
|
20.
579 – 517 =
62
2
|