Erbij en eraf tot 1.000
In de mix
|
1.
565 – 76 =
489
2
|
2.
714 + 258 =
972
2
|
3.
56 – 23 =
33
2
|
4.
139 – 86 =
2
53
|
|
5.
794 + 146 =
2
940
|
6.
505 + 479 =
2
984
|
7.
350 + 341 =
2
691
|
8.
295 – 106 =
189
2
|
|
9.
819 + 172 =
991
2
|
10.
699 + 51 =
2
750
|
11.
324 + 446 =
2
770
|
12.
855 + 31 =
2
886
|
|
13.
375 + 439 =
814
2
|
14.
852 + 12 =
2
864
|
15.
403 – 53 =
350
2
|
16.
912 – 528 =
2
384
|
|
17.
575 + 318 =
2
893
|
18.
64 – 18 =
46
2
|
19.
690 – 329 =
361
2
|
20.
450 – 379 =
2
71
|