только 4,3,5.Помогитее пожалуйста.. Created by MERRY191. algebra-ru

только 4,3,5.Помогитее пожалуйста...

July 2022 1 7 Report

только 4,3,5.Помогитее пожалуйста.

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whitesapphire 4. y1*q^3=y4
q^3=y4/y1
q^3=2/9:3/4=2*4/(9*3)=8/27 =>q=2/3
y2=y1*q=2/3*3/4=6/12=1/2
y3=y2*q=1/2*2/3=2/6

3. q=a3/a2=6/18=1/3
a2=q*a1
a1=a2/q=18:1/3=18*3=54
54+18+6+2+2/3+1/3=54+18+6+2+1=9+54+18=81

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