Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
320 – 161 =
2
159
|
2.
79 + 632 =
2
711
|
3.
173 + 203 =
376
2
|
4.
639 – 619 =
20
2
|
|
5.
833 – 400 =
2
433
|
6.
92 – 69 =
2
23
|
7.
264 – 183 =
2
81
|
8.
384 + 231 =
615
2
|
|
9.
743 + 31 =
2
774
|
10.
440 + 413 =
2
853
|
11.
635 – 334 =
2
301
|
12.
905 – 440 =
2
465
|
|
13.
105 – 101 =
4
1
|
14.
22 + 283 =
2
305
|
15.
972 – 548 =
424
2
|
16.
860 – 486 =
2
374
|
|
17.
752 + 17 =
769
2
|
18.
876 + 76 =
952
2
|
19.
277 + 405 =
682
2
|
20.
886 – 733 =
153
2
|