Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
638 + 241 =
3
879
4
2
|
2.
708 + 181 =
2
4
3
889
|
3.
107 – 21 =
2
4
86
3
|
4.
732 – 376 =
356
4
3
2
|
|
5.
721 + 14 =
4
735
2
3
|
6.
562 – 402 =
160
2
4
3
|
7.
607 – 230 =
377
2
4
3
|
8.
217 + 661 =
4
878
3
2
|
|
9.
589 – 521 =
4
68
2
3
|
10.
154 + 204 =
3
2
4
358
|
11.
880 – 473 =
4
3
407
2
|
12.
478 – 11 =
2
3
467
4
|
|
13.
979 + 18 =
997
2
4
3
|
14.
955 + 1 =
956
2
3
4
|
15.
340 + 3 =
2
343
3
4
|
16.
797 – 609 =
2
188
3
4
|
|
17.
666 + 105 =
771
2
4
3
|
18.
617 – 82 =
535
4
2
3
|
19.
690 + 224 =
2
914
4
3
|
20.
867 + 120 =
2
987
4
3
|