Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
398 + 377 =
2
775
|
2.
370 + 91 =
2
461
|
3.
275 – 149 =
126
2
|
4.
305 + 79 =
384
2
|
|
5.
643 – 618 =
2
25
|
6.
637 – 161 =
476
2
|
7.
911 + 72 =
2
983
|
8.
442 + 240 =
2
682
|
|
9.
470 + 107 =
2
577
|
10.
905 – 639 =
266
2
|
11.
482 – 234 =
2
248
|
12.
185 – 57 =
128
2
|
|
13.
509 – 245 =
2
264
|
14.
718 + 275 =
2
993
|
15.
180 + 331 =
2
511
|
16.
585 – 284 =
2
301
|
|
17.
20 – 15 =
5
1
|
18.
709 – 427 =
2
282
|
19.
65 + 332 =
397
2
|
20.
342 – 92 =
2
250
|