Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
311 + 351 =
662
2
4
3
|
2.
10 – 1 =
1
2
3
9
|
3.
39 + 494 =
2
4
3
533
|
4.
585 + 367 =
952
3
4
2
|
|
5.
762 + 210 =
2
4
3
972
|
6.
394 + 331 =
3
4
2
725
|
7.
394 + 198 =
2
592
3
4
|
8.
334 + 304 =
4
3
2
638
|
|
9.
956 – 498 =
4
458
3
2
|
10.
403 – 263 =
140
2
4
3
|
11.
472 + 272 =
2
4
744
3
|
12.
273 – 246 =
2
3
4
27
|
|
13.
468 – 94 =
4
3
2
374
|
14.
627 + 284 =
2
3
4
911
|
15.
359 + 168 =
2
3
4
527
|
16.
840 + 112 =
2
952
3
4
|
|
17.
534 – 380 =
154
4
2
3
|
18.
935 + 2 =
937
3
4
2
|
19.
914 + 27 =
3
2
941
4
|
20.
222 + 615 =
2
837
4
3
|