Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
519 + 472 =
2
991
|
2.
107 – 107 =
0
2
|
3.
40 – 1 =
39
2
|
4.
487 + 150 =
2
637
|
|
5.
923 – 415 =
508
2
|
6.
264 + 528 =
792
2
|
7.
457 – 257 =
200
2
|
8.
540 – 502 =
38
2
|
|
9.
418 + 140 =
558
2
|
10.
765 + 199 =
2
964
|
11.
298 – 11 =
287
2
|
12.
785 – 189 =
596
2
|
|
13.
13 – 8 =
1
5
|
14.
920 – 153 =
767
2
|
15.
968 + 27 =
995
2
|
16.
238 + 320 =
2
558
|
|
17.
81 – 28 =
53
2
|
18.
812 + 68 =
2
880
|
19.
86 + 595 =
681
2
|
20.
459 – 90 =
369
2
|