GP中,{an}中,an>0.a4*a5=32 求log2a1+log2a2+…+log2a8

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GP中,{an}中,an>0.a4*a5=32 求log2a1+log2a2+…+log2a8
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GP中,{an}中,an>0.a4*a5=32 求log2a1+log2a2+…+log2a8
GP中,{an}中,an>0.a4*a5=32 求log2a1+log2a2+…+log2a8

GP中,{an}中,an>0.a4*a5=32 求log2a1+log2a2+…+log2a8
log2a1+log2a2+…+log2a8=log2(a1*a2*...*a8)=log2((a4*a5)4)=4*log2(32)
=20

不会 我高一