Ответы на вопрос:
B1=81, q=1/3,b6=? , s5=? b6=b1.qˇ5, b6=81.(1/3)ˇ5=81.1/243=81/243=1/3 b6=1/3 ======= s5=b1.(qˇ5 -1)/(q-1) s5=81.(1/243-1)/(1/3-1)=/243)/(-2/3)=(-242//2)= =242.3/3.2=121 s5=121 ======== (b2=27,b3=9,b4=3,b5=1 81+27+9+3+1=121) .
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