Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
638 + 281 =
2
919
|
2.
849 – 269 =
2
580
|
3.
123 – 108 =
1
15
|
4.
920 – 530 =
2
390
|
|
5.
4 – 1 =
3
1
|
6.
921 + 16 =
2
937
|
7.
623 + 327 =
2
950
|
8.
352 – 275 =
77
2
|
|
9.
604 – 27 =
2
577
|
10.
279 + 631 =
910
2
|
11.
840 – 151 =
689
2
|
12.
249 + 282 =
2
531
|
|
13.
176 – 141 =
2
35
|
14.
488 – 287 =
201
2
|
15.
505 – 250 =
255
2
|
16.
66 + 512 =
2
578
|
|
17.
646 + 53 =
699
2
|
18.
349 – 232 =
2
117
|
19.
529 + 73 =
602
2
|
20.
650 – 353 =
297
2
|