Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
811 + 102 =
4
3
2
913
|
2.
464 – 164 =
3
300
2
4
|
3.
536 + 336 =
2
872
4
3
|
4.
879 + 8 =
3
887
4
2
|
|
5.
964 + 27 =
2
991
4
3
|
6.
287 – 286 =
1
3
4
2
|
7.
42 + 431 =
3
473
2
4
|
8.
275 + 359 =
634
4
3
2
|
|
9.
869 + 29 =
898
4
2
3
|
10.
49 – 43 =
2
6
3
1
|
11.
800 + 118 =
2
3
918
4
|
12.
648 + 150 =
4
3
2
798
|
|
13.
841 – 649 =
3
4
192
2
|
14.
733 – 502 =
231
2
3
4
|
15.
293 – 70 =
3
223
4
2
|
16.
638 + 324 =
962
4
3
2
|
|
17.
984 – 530 =
3
2
4
454
|
18.
820 + 162 =
4
3
2
982
|
19.
940 – 540 =
3
400
2
4
|
20.
434 – 333 =
101
2
4
3
|