Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
963 + 11 =
3
2
4
974
|
2.
478 – 103 =
3
2
375
4
|
3.
385 + 175 =
4
560
2
3
|
4.
811 – 659 =
2
3
4
152
|
|
5.
381 – 105 =
4
3
276
2
|
6.
441 + 388 =
3
2
829
4
|
7.
736 – 602 =
4
134
3
2
|
8.
165 – 6 =
159
2
4
3
|
|
9.
825 – 82 =
4
3
2
743
|
10.
600 + 178 =
778
2
3
4
|
11.
443 + 221 =
664
4
2
3
|
12.
476 – 67 =
4
2
409
3
|
|
13.
680 + 74 =
754
4
2
3
|
14.
4 + 446 =
2
3
450
4
|
15.
917 + 40 =
2
4
957
3
|
16.
356 + 489 =
2
4
3
845
|
|
17.
98 – 1 =
4
97
3
2
|
18.
377 – 1 =
376
3
2
4
|
19.
583 – 168 =
2
4
3
415
|
20.
85 – 21 =
64
2
4
3
|