Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
712 – 151 =
561
2
|
2.
637 + 299 =
936
2
|
3.
586 + 268 =
854
2
|
4.
425 – 406 =
2
19
|
|
5.
84 + 166 =
2
250
|
6.
258 + 534 =
792
2
|
7.
569 + 339 =
2
908
|
8.
345 + 514 =
2
859
|
|
9.
784 – 504 =
280
2
|
10.
835 – 458 =
2
377
|
11.
900 – 705 =
2
195
|
12.
299 – 1 =
2
298
|
|
13.
368 + 593 =
961
2
|
14.
638 – 559 =
79
2
|
15.
732 + 193 =
2
925
|
16.
28 + 298 =
326
2
|
|
17.
501 – 103 =
398
2
|
18.
975 – 626 =
349
2
|
19.
530 + 243 =
2
773
|
20.
733 – 331 =
402
2
|