Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
623 – 346 =
277
2
|
2.
54 – 36 =
2
18
|
3.
454 – 122 =
2
332
|
4.
244 – 128 =
2
116
|
|
5.
52 + 832 =
2
884
|
6.
661 + 259 =
920
2
|
7.
244 – 38 =
206
2
|
8.
935 + 51 =
2
986
|
|
9.
617 – 473 =
144
2
|
10.
489 + 36 =
2
525
|
11.
852 + 98 =
2
950
|
12.
413 + 343 =
756
2
|
|
13.
501 – 441 =
2
60
|
14.
159 – 69 =
2
90
|
15.
991 – 461 =
530
2
|
16.
291 – 263 =
2
28
|
|
17.
121 + 30 =
151
2
|
18.
401 + 348 =
2
749
|
19.
148 – 11 =
2
137
|
20.
715 + 64 =
779
2
|