Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
779 – 771 =
1
8
|
2.
715 – 422 =
293
2
|
3.
335 – 291 =
2
44
|
4.
949 – 64 =
2
885
|
|
5.
547 – 132 =
2
415
|
6.
766 – 400 =
2
366
|
7.
170 + 539 =
709
2
|
8.
707 – 418 =
2
289
|
|
9.
617 + 112 =
729
2
|
10.
975 – 675 =
300
2
|
11.
585 + 109 =
694
2
|
12.
613 – 298 =
2
315
|
|
13.
655 + 196 =
851
2
|
14.
585 – 579 =
6
1
|
15.
481 – 450 =
31
2
|
16.
912 + 24 =
2
936
|
|
17.
773 – 206 =
2
567
|
18.
710 – 222 =
488
2
|
19.
988 – 885 =
103
2
|
20.
297 + 617 =
914
2
|