Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
207 – 198 =
1
9
|
2.
983 – 363 =
620
2
|
3.
743 + 10 =
2
753
|
4.
361 + 611 =
972
2
|
|
5.
975 + 3 =
2
978
|
6.
849 + 95 =
944
2
|
7.
682 + 247 =
929
2
|
8.
31 – 20 =
1
11
|
|
9.
544 – 404 =
140
2
|
10.
57 – 49 =
1
8
|
11.
947 + 50 =
2
997
|
12.
668 – 218 =
450
2
|
|
13.
448 + 10 =
458
2
|
14.
341 + 14 =
2
355
|
15.
347 – 23 =
2
324
|
16.
509 – 455 =
2
54
|
|
17.
332 + 123 =
455
2
|
18.
311 – 74 =
237
2
|
19.
372 + 350 =
2
722
|
20.
989 + 7 =
996
2
|