Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
907 – 840 =
67
2
|
2.
1 – 0 =
1
2
|
3.
78 + 216 =
294
2
|
4.
686 + 267 =
2
953
|
|
5.
778 + 99 =
2
877
|
6.
510 + 12 =
522
2
|
7.
924 – 383 =
541
2
|
8.
944 + 39 =
983
2
|
|
9.
333 – 122 =
211
2
|
10.
74 + 485 =
559
2
|
11.
539 – 134 =
2
405
|
12.
202 + 370 =
2
572
|
|
13.
536 – 17 =
519
2
|
14.
211 + 471 =
682
2
|
15.
140 – 71 =
2
69
|
16.
939 + 43 =
2
982
|
|
17.
349 + 25 =
374
2
|
18.
570 + 19 =
589
2
|
19.
170 – 24 =
2
146
|
20.
613 + 116 =
2
729
|