Răspuns:
a 1km=10m=100dm=1000cm=10000mm
0,1km=1m=10dm=100cm=1000mm
Explicație pas cu pas:
b. 1mm=0,1cm =0,001dm=0,0001m
10mm=1cm=0,01dm=0,001m
100mm=10cm=1dm=1m
1000mm=100cm=10dm=1m
