Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
426 + 206 =
2
3
632
4
|
2.
345 + 200 =
2
3
4
545
|
3.
416 + 337 =
4
2
3
753
|
4.
12 + 845 =
857
3
2
4
|
|
5.
802 – 635 =
4
3
2
167
|
6.
813 + 139 =
2
3
4
952
|
7.
842 + 90 =
2
3
932
4
|
8.
838 – 103 =
2
735
4
3
|
|
9.
464 – 342 =
2
122
4
3
|
10.
870 + 64 =
3
2
4
934
|
11.
820 + 24 =
844
4
2
3
|
12.
909 + 66 =
2
3
4
975
|
|
13.
155 + 224 =
2
3
4
379
|
14.
352 – 66 =
2
286
3
4
|
15.
446 – 63 =
2
4
383
3
|
16.
337 + 286 =
2
3
4
623
|
|
17.
383 + 273 =
656
2
3
4
|
18.
763 + 124 =
887
2
4
3
|
19.
123 + 81 =
4
3
204
2
|
20.
571 + 293 =
4
3
864
2
|