1(km ) 1000(m ) 1(g ) 10(dg ) 3600(s ) 1(h ) ! " # #$ % " %& '($ % ) % # % # * +, * )- . * /0 1 * )0 + % 1000(m ) =3000 m 1(km ) * 3km = 3(km)· * 12h = 12(h)· 3600(s ) = 43200s 1(h ) * 80Hg = 80(Hg )· 100(g ) =8000 g 1(Hg ) * 10cm 3 = 10(cm 3 )· 1( m 3 ) =0,00001m 3 1000000(cm 3 ) $ ! " # #$ % "$ & %($ % * * * * 2 300 02 ) + + * )-0 , 4. * -0 4 4 , 4. + * 2 4 + , 4 * -000 , 4 + * )0 4' 4 + 4 + % * 120km / h = * 20m / s = 120(km ) 1000(m ) 1(h ) · · =33,3 m / s 1(h ) 1(km ) 3600(s ) 20(m ) 1(km ) 3600(s ) · · =72km / h 1(s ) 1000(m ) 1(h ) * 5g / cm 3 = 5( g ) 1( kg ) 1000000(cm3 ) · · =5000 kg / cm 3 1(cm 3 ) 1000( g ) 1( m 3 ) * 2000kg / m 3 = * 10g / L = 2000( kg ) 1000( g ) 1( m 3 ) = 2g / cm 3 · · 3 1( kg ) 1000000(cm 3 ) 1( m ) 10(g ) 1(L ) · = 0,01g / cm 3 1(L ) 1000(cm 3 ) ! " # #$ % "$ & %($ % 5 * +6 , 4. * -2 4 4 , 4. * 20 , 4. 4 * )000 4 7 * /2 4 + * +200 , 4 * )-00 + , 4 + 4 + 4 .* )0 4' * 0 -/ , 4 4 4 + 4 + 4' + +