Răspuns:
13,7 km =13.700 m
15 ha=1.500 ari
[tex]0.1248m { }^{2} = 1248cm {}^{2} \\ [/tex]
[tex]1.8 \: ari \: = 180m {}^{2} [/tex]
150 cm = 15 dm
[tex]800mm {}^{3} = 8cm {}^{3} [/tex]