Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
344 + 83 =
2
3
427
4
|
2.
478 – 151 =
4
3
2
327
|
3.
965 + 9 =
974
2
3
4
|
4.
886 + 110 =
996
4
3
2
|
|
5.
620 – 549 =
2
3
71
4
|
6.
198 – 169 =
2
29
3
4
|
7.
587 + 273 =
2
4
860
3
|
8.
313 + 595 =
908
3
4
2
|
|
9.
251 + 164 =
3
2
415
4
|
10.
700 + 74 =
774
4
3
2
|
11.
480 + 428 =
4
2
908
3
|
12.
588 + 83 =
4
3
671
2
|
|
13.
662 – 148 =
2
4
3
514
|
14.
364 – 216 =
2
148
4
3
|
15.
669 – 593 =
3
2
4
76
|
16.
275 – 182 =
4
93
2
3
|
|
17.
722 + 126 =
848
2
4
3
|
18.
856 + 108 =
4
964
2
3
|
19.
459 – 21 =
438
4
2
3
|
20.
595 – 556 =
3
4
39
2
|