Buna,am nevoie de ajutor urgent!
1.un cub are latura egala cu a)30cm si b)5m.....aflati volumul cubului si stabiliti cati l de apa incap in cub(in fiecare caz)
2.cati litri de apa incap intr.un acvariu in forma de pararelipiped dreptunghicce are dimensiunile:
a)
L=15 dm l=1,2m inaltimea=38cm
b)L=0,04dam l=250 mm inaltimea=1m cm Urgent!!!!multumesc!

1

Răspunsuri

2014-05-29T22:00:12+03:00
1a)V=l³
30cm=3dm
V=3³=27dm³  =27l
1dm³=1l

b)5m=50dm
V=50³=125 000dm³=125 000l
1dm³=1l

2a)l=1,2m=12dm
h=38cm=3,8dm
V=L*l*h=12*3,8*15=684dm³ =684l
1dm³=1l

b)L=0,04dam=4dm
l=250mm=2,5dm
h=1m=10dm
V=4*10*2,5=100dm³=100l
1dm³=1l