Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
271 + 471 =
742
2
|
2.
842 – 229 =
613
2
|
3.
255 + 308 =
2
563
|
4.
14 – 6 =
8
1
|
|
5.
146 – 111 =
2
35
|
6.
153 + 708 =
861
2
|
7.
172 + 566 =
738
2
|
8.
251 + 60 =
2
311
|
|
9.
808 + 68 =
876
2
|
10.
640 – 638 =
2
1
|
11.
563 – 298 =
265
2
|
12.
230 – 230 =
2
0
|
|
13.
630 – 546 =
2
84
|
14.
638 + 140 =
2
778
|
15.
841 – 451 =
2
390
|
16.
613 + 90 =
2
703
|
|
17.
527 + 458 =
985
2
|
18.
76 + 824 =
2
900
|
19.
77 + 643 =
720
2
|
20.
752 – 523 =
229
2
|