Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
756 – 676 =
80
2
|
2.
761 + 51 =
2
812
|
3.
644 + 284 =
2
928
|
4.
67 + 296 =
2
363
|
|
5.
862 – 242 =
620
2
|
6.
555 – 413 =
2
142
|
7.
536 – 275 =
261
2
|
8.
557 + 280 =
2
837
|
|
9.
920 – 366 =
554
2
|
10.
38 + 643 =
2
681
|
11.
555 + 235 =
790
2
|
12.
772 – 694 =
78
2
|
|
13.
24 + 438 =
462
2
|
14.
345 – 135 =
2
210
|
15.
103 + 30 =
2
133
|
16.
532 + 137 =
2
669
|
|
17.
920 + 62 =
2
982
|
18.
838 + 100 =
2
938
|
19.
144 + 33 =
2
177
|
20.
518 + 299 =
2
817
|