Odpowiedzi

2010-03-04T21:51:26+01:00
A)
π4²*5+π2²*5=
= 80π + 20π = 100π

b)
π3²*3+½π3²*6=
= 27π + 27π = 54π

c)
π5²*3+π3²*7+π2²*4=
=75π+63π+16π=154π