Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
237 – 48 =
4
3
189
2
|
2.
606 + 87 =
693
4
3
2
|
3.
479 + 443 =
922
4
3
2
|
4.
815 + 28 =
3
2
4
843
|
|
5.
623 – 378 =
3
245
2
4
|
6.
907 – 707 =
4
2
3
200
|
7.
850 + 72 =
4
922
3
2
|
8.
817 + 162 =
3
4
979
2
|
|
9.
566 + 155 =
3
4
2
721
|
10.
261 – 116 =
3
145
2
4
|
11.
339 – 239 =
100
3
2
4
|
12.
900 + 53 =
953
3
2
4
|
|
13.
643 + 19 =
4
2
3
662
|
14.
29 + 654 =
4
3
2
683
|
15.
575 – 272 =
4
2
3
303
|
16.
865 + 24 =
889
4
2
3
|
|
17.
158 + 575 =
4
733
2
3
|
18.
284 – 18 =
266
3
4
2
|
19.
895 + 25 =
2
4
920
3
|
20.
893 – 633 =
260
2
3
4
|