Vul de gaten in. Druk dan op "Antwoorden controleren" om uw antwoorden te controleren.
Bereken:
|-2| =
|1| =
|0| =
|-8| =
|-21| =
|+402| =
Het tegengesteld getal van...
9 is
is 13
25 is
|-b| is
is -1
0 is