Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
491 – 213 =
278
2
|
2.
589 + 57 =
2
646
|
3.
915 + 10 =
925
2
|
4.
282 + 116 =
398
2
|
|
5.
785 – 107 =
678
2
|
6.
645 + 63 =
2
708
|
7.
69 – 41 =
28
2
|
8.
402 – 71 =
2
331
|
|
9.
536 + 342 =
878
2
|
10.
22 + 479 =
2
501
|
11.
690 – 408 =
2
282
|
12.
902 – 364 =
2
538
|
|
13.
412 – 110 =
302
2
|
14.
303 – 95 =
208
2
|
15.
715 + 89 =
2
804
|
16.
9 – 1 =
1
8
|
|
17.
671 – 367 =
304
2
|
18.
80 – 78 =
1
2
|
19.
90 – 19 =
2
71
|
20.
928 + 39 =
2
967
|