Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
546 + 120 =
4
3
666
2
|
2.
678 – 410 =
268
3
4
2
|
3.
904 + 8 =
2
912
4
3
|
4.
714 + 128 =
3
842
2
4
|
|
5.
870 + 4 =
2
874
4
3
|
6.
779 – 412 =
3
367
2
4
|
7.
590 + 285 =
4
875
3
2
|
8.
330 + 56 =
386
4
3
2
|
|
9.
600 + 231 =
4
831
3
2
|
10.
438 – 42 =
396
4
3
2
|
11.
758 – 691 =
67
3
4
2
|
12.
712 – 298 =
3
4
414
2
|
|
13.
243 – 204 =
3
2
4
39
|
14.
314 – 18 =
2
4
3
296
|
15.
69 – 2 =
3
67
2
4
|
16.
476 + 232 =
3
4
2
708
|
|
17.
762 + 187 =
949
3
2
4
|
18.
239 – 98 =
2
141
4
3
|
19.
698 – 448 =
4
250
2
3
|
20.
700 – 660 =
2
40
4
3
|