Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
810 – 651 =
159
2
|
2.
180 + 749 =
2
929
|
3.
960 + 2 =
2
962
|
4.
369 – 239 =
2
130
|
|
5.
156 – 74 =
82
2
|
6.
845 – 307 =
2
538
|
7.
371 + 82 =
453
2
|
8.
157 + 840 =
2
997
|
|
9.
449 + 48 =
2
497
|
10.
927 + 10 =
2
937
|
11.
484 – 152 =
2
332
|
12.
57 + 616 =
2
673
|
|
13.
971 – 402 =
569
2
|
14.
792 + 1 =
793
2
|
15.
683 – 145 =
538
2
|
16.
687 – 283 =
2
404
|
|
17.
557 + 326 =
2
883
|
18.
831 – 500 =
2
331
|
19.
524 + 163 =
2
687
|
20.
864 – 665 =
2
199
|