Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
488 + 349 =
837
2
3
4
|
2.
101 + 863 =
3
2
4
964
|
3.
740 – 665 =
4
3
75
2
|
4.
447 – 342 =
2
105
4
3
|
|
5.
847 – 638 =
209
2
4
3
|
6.
383 + 476 =
859
3
4
2
|
7.
851 – 107 =
744
2
3
4
|
8.
141 – 109 =
32
3
4
2
|
|
9.
655 + 273 =
3
2
4
928
|
10.
101 + 801 =
902
4
2
3
|
11.
611 – 285 =
2
326
4
3
|
12.
469 + 267 =
3
736
2
4
|
|
13.
996 – 584 =
412
4
2
3
|
14.
453 + 182 =
635
2
3
4
|
15.
818 + 10 =
828
4
2
3
|
16.
687 – 254 =
3
433
4
2
|
|
17.
655 – 652 =
4
1
3
2
|
18.
620 + 359 =
979
3
2
4
|
19.
908 – 64 =
844
2
4
3
|
20.
237 + 654 =
891
2
3
4
|