)6 min=.360..s
480 s=..8..min
7 ore=.560...min
192 ore=..8..zile
40 ani=..4..decenii
b)1080 s=18..min
540 min=9....ore
8 ore=480...min.
168 ore=7.....min
500 ani=...5.....secole
c)1 supra 2 min=....0.5.....s
1 supra 2 ore=..0.008(3)....min
1 supra 2 ore=.0.5.....s
d)45 min=..0.75..ore
30 min=....0,5..ore
1 supra 2 ore =...0,008(3)....min
e)2000 ani=..2........milenii
4 ore si 15 min=.15300....s
8 min si 4 s=..484.s
3 zile si 8 ore=..80..ore
480 luni=...40..ani
f)20 saptamani=.....14.zile
1 ora 300 min si 900s=..6...ore
180 min si 3600s=.......5..ore
4 ore 300 min si 10800 s=...9..ore
g)4 ore+8min=.....s
10 s+3min=...min
4min+15 s=....ore
1ora+30 min=.1/3..ore
h)15 zile-288ore=.612...zile
180 min-3 ore=...3.....ore
13 ore- 1 supra 2zi=...1.ore
408 ani-416 saptamani=...-8...deceni =>9ani
