Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
833 – 583 =
4
250
3
2
|
2.
492 – 120 =
3
4
2
372
|
3.
148 + 771 =
3
919
2
4
|
4.
294 + 117 =
2
4
411
3
|
|
5.
823 + 174 =
997
4
3
2
|
6.
678 – 533 =
2
4
145
3
|
7.
950 – 129 =
3
4
821
2
|
8.
207 – 174 =
2
33
3
4
|
|
9.
965 – 595 =
4
3
2
370
|
10.
822 – 631 =
3
4
2
191
|
11.
879 – 436 =
3
4
443
2
|
12.
993 + 3 =
996
4
3
2
|
|
13.
853 – 807 =
2
3
4
46
|
14.
525 – 45 =
4
480
3
2
|
15.
23 + 475 =
4
2
498
3
|
16.
997 + 2 =
4
999
3
2
|
|
17.
417 + 417 =
4
3
834
2
|
18.
762 + 227 =
2
4
3
989
|
19.
266 + 345 =
4
2
611
3
|
20.
30 – 18 =
1
3
2
12
|