Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
183 + 459 =
3
2
4
642
|
2.
888 + 20 =
4
2
908
3
|
3.
405 + 307 =
712
3
2
4
|
4.
897 + 36 =
3
4
933
2
|
|
5.
437 + 533 =
3
970
4
2
|
6.
531 – 170 =
361
3
2
4
|
7.
465 – 336 =
4
129
2
3
|
8.
827 – 589 =
2
4
238
3
|
|
9.
815 + 75 =
4
2
3
890
|
10.
352 – 310 =
2
4
3
42
|
11.
6 – 5 =
2
1
3
4
|
12.
502 + 13 =
3
2
515
4
|
|
13.
243 + 148 =
2
391
3
4
|
14.
31 + 519 =
550
4
2
3
|
15.
160 + 140 =
3
4
2
300
|
16.
901 + 31 =
3
2
4
932
|
|
17.
650 – 243 =
3
4
407
2
|
18.
561 + 47 =
4
3
608
2
|
19.
397 + 184 =
4
2
581
3
|
20.
120 + 785 =
3
905
2
4
|