Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
923 – 861 =
62
2
|
2.
840 – 129 =
2
711
|
3.
729 + 79 =
2
808
|
4.
305 – 269 =
2
36
|
|
5.
541 + 389 =
2
930
|
6.
86 – 48 =
38
2
|
7.
234 + 717 =
2
951
|
8.
671 – 556 =
115
2
|
|
9.
160 – 19 =
2
141
|
10.
329 – 267 =
62
2
|
11.
654 + 174 =
828
2
|
12.
810 + 56 =
2
866
|
|
13.
855 – 610 =
245
2
|
14.
366 + 217 =
2
583
|
15.
173 – 124 =
2
49
|
16.
902 – 429 =
2
473
|
|
17.
349 – 219 =
130
2
|
18.
44 – 20 =
2
24
|
19.
83 + 256 =
339
2
|
20.
723 + 251 =
2
974
|