Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
270 + 694 =
3
964
4
2
|
2.
487 + 24 =
2
511
3
4
|
3.
164 + 352 =
2
4
3
516
|
4.
306 – 304 =
4
3
2
1
|
|
5.
681 – 414 =
4
3
2
267
|
6.
719 – 531 =
3
188
4
2
|
7.
829 – 166 =
4
2
663
3
|
8.
29 + 642 =
2
671
3
4
|
|
9.
1000 + 0 =
3
1000
2
4
|
10.
460 – 37 =
3
4
2
423
|
11.
485 + 382 =
4
2
867
3
|
12.
876 + 120 =
4
2
996
3
|
|
13.
408 + 490 =
898
4
2
3
|
14.
298 – 277 =
3
2
4
21
|
15.
855 + 43 =
3
4
898
2
|
16.
516 – 236 =
2
3
4
280
|
|
17.
763 – 17 =
4
746
3
2
|
18.
270 – 111 =
3
159
2
4
|
19.
34 + 64 =
4
3
2
98
|
20.
908 + 4 =
3
912
2
4
|