Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
931 – 318 =
2
613
|
2.
815 + 149 =
964
2
|
3.
791 – 790 =
1
2
|
4.
470 – 20 =
450
2
|
|
5.
72 + 575 =
647
2
|
6.
178 + 304 =
482
2
|
7.
362 – 127 =
2
235
|
8.
661 – 277 =
384
2
|
|
9.
886 + 76 =
962
2
|
10.
550 – 110 =
2
440
|
11.
126 + 211 =
337
2
|
12.
414 – 281 =
2
133
|
|
13.
889 + 65 =
954
2
|
14.
20 + 739 =
2
759
|
15.
931 + 65 =
2
996
|
16.
40 + 877 =
917
2
|
|
17.
538 – 4 =
2
534
|
18.
953 + 20 =
973
2
|
19.
265 – 177 =
88
2
|
20.
936 – 163 =
773
2
|