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a*110%=1.1a
V=1.1a³
v=1,331a
np.a=2
V=1,331*2=2,662
2 - 100%
0,662 - x
2x= 66,2
x= 33,1%
Odp. V wzrośnie o 33,1 %
V = a³
po zmianach:
krawędź = a+10%a = a+0,1a = 1,1a
V = (1,1a)³ = 1,331a³
1,331-1 = 0,331
0,331*100% = 33,1% << o tyle procent wzrośnie