Question

Determinati lungimea unui paralelipiped dreptunghic care are l=0,2 dm h=80 mm si volumul egal cu 48 cm cubi

Answer 1

l=0.2 dm= 2 cm
h=80mm=8 cm 
V=L*l*h
48= L*2*8
48=16L
L=48/16
L=3 cm

Answer 2

l=0,2 dm=2cm si h=80mm=8cm, respectiv V=L×l×h=L×2×8=48 de aici L=48:16=3 cm