Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
925 – 778 =
2
147
|
2.
973 – 762 =
211
2
|
3.
289 – 83 =
2
206
|
4.
529 – 473 =
56
2
|
|
5.
159 + 82 =
2
241
|
6.
1000 – 645 =
2
355
|
7.
862 + 65 =
2
927
|
8.
830 – 181 =
2
649
|
|
9.
411 + 266 =
677
2
|
10.
815 + 157 =
2
972
|
11.
517 + 240 =
2
757
|
12.
339 – 292 =
2
47
|
|
13.
805 – 233 =
2
572
|
14.
574 + 213 =
787
2
|
15.
707 + 231 =
938
2
|
16.
124 + 199 =
2
323
|
|
17.
649 + 101 =
2
750
|
18.
22 – 14 =
8
1
|
19.
830 + 101 =
2
931
|
20.
326 + 260 =
2
586
|