Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
411 – 221 =
2
190
|
2.
881 – 245 =
636
2
|
3.
221 + 327 =
2
548
|
4.
92 + 172 =
264
2
|
|
5.
659 – 1 =
2
658
|
6.
733 – 7 =
726
2
|
7.
66 – 33 =
33
2
|
8.
806 + 9 =
815
2
|
|
9.
956 + 34 =
2
990
|
10.
35 + 451 =
2
486
|
11.
680 – 607 =
2
73
|
12.
586 – 571 =
15
1
|
|
13.
639 + 16 =
2
655
|
14.
526 – 457 =
2
69
|
15.
724 + 196 =
920
2
|
16.
727 + 250 =
977
2
|
|
17.
190 – 48 =
142
2
|
18.
677 + 166 =
2
843
|
19.
509 + 423 =
2
932
|
20.
15 + 526 =
541
2
|