Jawabanmu

2014-09-05T15:17:57+07:00
20 kubik x 3 kubik = 20^{3} [/tex] x  3^{3}  = 20000  cm^{3}
2014-09-05T15:22:15+07:00
1 dam kubik = 1000 cm kubik 
jadi kalau 20 dam kubik tinggal dikalikan saja = 20000 cm kubik