Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
489 – 0 =
489
2
|
2.
781 – 185 =
2
596
|
3.
684 + 106 =
790
2
|
4.
347 + 72 =
419
2
|
|
5.
429 + 290 =
2
719
|
6.
13 + 123 =
136
2
|
7.
25 + 224 =
2
249
|
8.
424 – 207 =
2
217
|
|
9.
436 + 412 =
2
848
|
10.
689 + 191 =
880
2
|
11.
540 – 306 =
234
2
|
12.
327 + 23 =
350
2
|
|
13.
326 + 128 =
454
2
|
14.
188 + 269 =
2
457
|
15.
401 + 583 =
2
984
|
16.
984 – 505 =
479
2
|
|
17.
283 – 172 =
2
111
|
18.
337 + 117 =
454
2
|
19.
194 + 298 =
2
492
|
20.
218 – 105 =
2
113
|