Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
886 – 607 =
4
2
279
3
|
2.
965 – 961 =
4
1
3
2
|
3.
959 – 654 =
305
3
2
4
|
4.
404 – 379 =
4
25
3
2
|
|
5.
118 – 115 =
3
2
1
4
|
6.
942 + 22 =
2
964
4
3
|
7.
817 + 63 =
3
4
880
2
|
8.
389 + 600 =
3
989
4
2
|
|
9.
528 + 422 =
2
3
950
4
|
10.
917 – 634 =
4
2
283
3
|
11.
265 + 124 =
3
389
4
2
|
12.
121 + 721 =
4
3
2
842
|
|
13.
711 – 558 =
3
2
153
4
|
14.
324 + 661 =
2
4
985
3
|
15.
610 + 387 =
2
4
3
997
|
16.
909 + 90 =
999
3
2
4
|
|
17.
120 – 53 =
4
3
2
67
|
18.
688 – 684 =
3
2
1
4
|
19.
326 – 193 =
3
133
4
2
|
20.
405 + 270 =
675
4
3
2
|