b1=b10/q⁹
b1=64/0,5⁹=64/(1/512)=64*512=32768
S5=b1(1-q⁵)/(1-q)=32768*(1-1/32):(1-0,5)=31744/0,5=63488.
b1=b10/q⁹
b1=64/0,5⁹=64/(1/512)=64*512=32768
S5=b1(1-q⁵)/(1-q)=32768*(1-1/32):(1-0,5)=31744/0,5=63488.