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486=6*a^2 /:6
81=a^2 /zpierwiastkować
9=a
v=a^3
v=729 cm^3
v=125
v=a^3
125=a^3 /zpierwiastkować o podstawie 3
5=a
p=6*a^2
p=6*25
p=150 cm^2
P=6a²
486=6a²
a²=81
a=9
V=a³=9³=729cm³
2)
V=a³
125=a³
a=5cm
P=6a²=6*5²=6*25=150cm²
486=6a²
a²=486:6
a²=81
a=9
v=a³
V=9³
V=729cm³
2.
V=125cm³
V=a³
125=a³
a=5
Pp=6a²
Pp=6*5²
Pp=6*25
Pp=150cm²