Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
497 + 64 =
2
4
561
3
|
2.
267 + 503 =
3
4
2
770
|
3.
753 – 503 =
250
4
2
3
|
4.
488 + 50 =
4
538
3
2
|
|
5.
794 – 359 =
3
2
4
435
|
6.
697 + 186 =
2
3
4
883
|
7.
921 – 835 =
2
3
4
86
|
8.
281 + 0 =
4
3
281
2
|
|
9.
735 + 86 =
4
821
2
3
|
10.
85 + 744 =
3
829
4
2
|
11.
818 + 161 =
2
3
979
4
|
12.
877 + 28 =
905
4
2
3
|
|
13.
709 – 122 =
2
3
587
4
|
14.
971 + 26 =
4
3
2
997
|
15.
429 + 428 =
857
4
3
2
|
16.
398 + 42 =
4
2
3
440
|
|
17.
313 + 474 =
3
2
4
787
|
18.
37 – 4 =
33
4
2
3
|
19.
185 + 532 =
2
717
3
4
|
20.
684 – 415 =
269
2
3
4
|