Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
261 – 157 =
2
104
|
2.
228 + 374 =
602
2
|
3.
570 + 337 =
907
2
|
4.
932 + 55 =
987
2
|
|
5.
918 – 394 =
524
2
|
6.
891 + 78 =
2
969
|
7.
107 + 31 =
2
138
|
8.
180 – 2 =
178
2
|
|
9.
456 + 106 =
562
2
|
10.
274 – 45 =
229
2
|
11.
303 – 232 =
71
2
|
12.
980 + 16 =
2
996
|
|
13.
33 + 868 =
901
2
|
14.
517 + 233 =
750
2
|
15.
31 + 688 =
2
719
|
16.
485 + 383 =
2
868
|
|
17.
725 – 420 =
2
305
|
18.
335 – 126 =
2
209
|
19.
462 + 463 =
925
2
|
20.
417 – 340 =
2
77
|