Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
13 + 607 =
4
3
620
2
|
2.
939 + 1 =
940
3
2
4
|
3.
359 + 66 =
4
3
2
425
|
4.
400 – 55 =
3
2
4
345
|
|
5.
435 – 390 =
45
4
3
2
|
6.
47 + 803 =
850
2
4
3
|
7.
234 + 188 =
3
4
422
2
|
8.
704 + 146 =
3
850
2
4
|
|
9.
274 + 188 =
462
2
3
4
|
10.
275 + 685 =
3
2
4
960
|
11.
813 – 300 =
3
4
513
2
|
12.
626 – 483 =
4
3
2
143
|
|
13.
732 – 561 =
3
4
2
171
|
14.
469 + 201 =
3
4
670
2
|
15.
59 + 16 =
75
3
2
4
|
16.
416 + 146 =
562
2
4
3
|
|
17.
306 + 330 =
4
636
3
2
|
18.
886 + 16 =
902
2
4
3
|
19.
495 + 290 =
2
785
3
4
|
20.
834 – 448 =
4
2
386
3
|