Jawabanmu

2014-05-31T20:40:20+07:00
3x2x1 = 1500
6 = 1500
1 = 250

p= 3.250
l=2.150
t=1.250
p= 750
l=300
t=250

lp= 2(p.l) + 2(p.t) + 2(l.t)
lp= 2(750 x 300) + 2(750x250) +2(300x250)