Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
237 – 236 =
4
3
1
2
|
2.
739 – 151 =
3
2
4
588
|
3.
627 – 607 =
2
3
4
20
|
4.
748 + 61 =
3
4
2
809
|
|
5.
648 – 344 =
2
304
4
3
|
6.
357 – 74 =
3
4
2
283
|
7.
410 – 207 =
4
2
203
3
|
8.
635 + 211 =
2
4
3
846
|
|
9.
77 – 23 =
2
54
4
3
|
10.
405 – 291 =
2
4
3
114
|
11.
431 – 52 =
4
3
379
2
|
12.
610 + 62 =
4
3
2
672
|
|
13.
411 – 83 =
3
2
328
4
|
14.
18 – 2 =
16
3
4
2
|
15.
366 – 3 =
3
2
363
4
|
16.
669 – 441 =
2
228
3
4
|
|
17.
715 – 197 =
4
2
518
3
|
18.
610 + 323 =
2
4
3
933
|
19.
912 + 27 =
2
939
3
4
|
20.
530 – 278 =
4
3
252
2
|