Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
989 + 5 =
994
2
|
2.
619 – 108 =
511
2
|
3.
531 + 88 =
619
2
|
4.
753 – 83 =
2
670
|
|
5.
369 + 109 =
2
478
|
6.
761 + 50 =
811
2
|
7.
78 + 403 =
2
481
|
8.
918 – 107 =
811
2
|
|
9.
523 – 427 =
2
96
|
10.
606 + 37 =
643
2
|
11.
81 + 486 =
2
567
|
12.
492 – 432 =
60
2
|
|
13.
69 + 838 =
2
907
|
14.
225 + 28 =
2
253
|
15.
48 – 32 =
2
16
|
16.
328 + 110 =
438
2
|
|
17.
587 – 194 =
2
393
|
18.
486 – 422 =
2
64
|
19.
109 + 147 =
2
256
|
20.
374 + 601 =
2
975
|