Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
885 – 877 =
8
1
|
2.
145 – 34 =
2
111
|
3.
414 – 50 =
364
2
|
4.
248 – 140 =
2
108
|
|
5.
683 + 26 =
2
709
|
6.
201 + 161 =
362
2
|
7.
177 + 680 =
2
857
|
8.
471 + 265 =
736
2
|
|
9.
950 – 553 =
2
397
|
10.
187 – 165 =
22
2
|
11.
245 + 109 =
354
2
|
12.
947 – 96 =
851
2
|
|
13.
501 + 478 =
979
2
|
14.
4 + 370 =
374
2
|
15.
441 + 81 =
2
522
|
16.
798 – 418 =
2
380
|
|
17.
66 – 48 =
2
18
|
18.
956 – 905 =
51
2
|
19.
883 – 48 =
835
2
|
20.
533 + 22 =
555
2
|