Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
588 – 481 =
2
4
107
3
|
2.
616 + 342 =
958
4
2
3
|
3.
808 + 34 =
4
842
3
2
|
4.
878 + 61 =
4
3
939
2
|
|
5.
109 – 42 =
67
3
4
2
|
6.
866 – 564 =
3
2
302
4
|
7.
373 – 34 =
3
339
4
2
|
8.
584 + 401 =
4
3
2
985
|
|
9.
836 – 80 =
2
756
3
4
|
10.
695 – 639 =
4
56
2
3
|
11.
752 + 32 =
4
3
2
784
|
12.
819 + 156 =
975
4
2
3
|
|
13.
591 – 364 =
2
4
227
3
|
14.
499 + 486 =
2
3
985
4
|
15.
985 + 12 =
4
997
2
3
|
16.
657 – 344 =
2
3
313
4
|
|
17.
649 + 205 =
4
854
2
3
|
18.
405 + 218 =
623
4
3
2
|
19.
860 + 139 =
999
2
3
4
|
20.
746 – 704 =
3
42
4
2
|