Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
560 – 470 =
90
2
|
2.
115 + 587 =
2
702
|
3.
305 + 586 =
891
2
|
4.
376 + 191 =
567
2
|
|
5.
919 – 899 =
2
20
|
6.
389 + 525 =
2
914
|
7.
554 – 545 =
9
1
|
8.
901 – 729 =
172
2
|
|
9.
177 – 134 =
43
2
|
10.
422 – 129 =
293
2
|
11.
533 – 434 =
2
99
|
12.
339 – 51 =
288
2
|
|
13.
312 – 255 =
2
57
|
14.
752 + 91 =
2
843
|
15.
965 + 9 =
2
974
|
16.
907 – 16 =
2
891
|
|
17.
508 – 491 =
17
2
|
18.
845 + 105 =
2
950
|
19.
182 – 153 =
29
2
|
20.
151 – 140 =
11
1
|