Răspuns:
Daca te-ai referit la 1cm+10dm-1m+0,5dm asta e raspunsul
Transformam in cm
1cm=1cm
10dm=100cm
1m=100cm
0,5dm=5cm
1cm+100cm-100cm+5cm=
101cm-100cm+5cm=
1cm+5cm=6cm