Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
28 – 8 =
20
2
|
2.
45 + 31 =
2
76
|
3.
118 + 110 =
2
228
|
4.
275 – 154 =
2
121
|
|
5.
863 + 28 =
2
891
|
6.
203 + 557 =
2
760
|
7.
586 – 258 =
328
2
|
8.
155 – 137 =
18
2
|
|
9.
262 + 222 =
2
484
|
10.
493 – 156 =
337
2
|
11.
212 – 77 =
135
2
|
12.
582 + 336 =
2
918
|
|
13.
509 – 470 =
39
2
|
14.
934 – 690 =
2
244
|
15.
114 – 9 =
105
2
|
16.
900 – 836 =
64
2
|
|
17.
427 – 168 =
2
259
|
18.
642 + 94 =
736
2
|
19.
399 – 156 =
243
2
|
20.
246 – 75 =
2
171
|