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a=40 cm = 4 dm
b=30cm = 3 dm 1 dm3 = 1 l
c = 50cm = 5 dm
V=a*b*c= 4*3*5 = 12*5=60dm3
( decymetrów sześciennych )
sześcian
a= 40 cm = 4 dm
V= a*a*a=4*4*4= 16*4=64dm3
Odp Więcej tektury złuzyto na sześcian