Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
852 – 479 =
2
373
|
2.
274 + 583 =
2
857
|
3.
273 + 296 =
569
2
|
4.
401 + 396 =
797
2
|
|
5.
632 + 107 =
2
739
|
6.
380 – 163 =
217
2
|
7.
561 – 342 =
219
2
|
8.
808 – 196 =
2
612
|
|
9.
172 + 482 =
654
2
|
10.
216 + 129 =
2
345
|
11.
708 – 23 =
2
685
|
12.
717 + 36 =
753
2
|
|
13.
238 – 88 =
2
150
|
14.
618 + 283 =
901
2
|
15.
205 – 194 =
11
1
|
16.
720 + 221 =
941
2
|
|
17.
303 – 177 =
126
2
|
18.
522 – 278 =
2
244
|
19.
176 + 226 =
402
2
|
20.
974 + 18 =
992
2
|