Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
324 – 312 =
1
12
|
2.
924 + 0 =
2
924
|
3.
936 + 21 =
957
2
|
4.
525 – 163 =
2
362
|
|
5.
519 + 65 =
2
584
|
6.
524 + 327 =
2
851
|
7.
471 – 163 =
308
2
|
8.
692 – 553 =
2
139
|
|
9.
599 + 261 =
2
860
|
10.
226 + 621 =
847
2
|
11.
334 – 146 =
2
188
|
12.
792 – 611 =
181
2
|
|
13.
569 + 62 =
2
631
|
14.
116 – 45 =
71
2
|
15.
410 – 42 =
2
368
|
16.
862 + 107 =
969
2
|
|
17.
228 – 192 =
36
2
|
18.
24 – 14 =
1
10
|
19.
33 – 16 =
17
2
|
20.
539 – 144 =
2
395
|