计算log16 (1/8)+log9 3√3-log5 (√5/5)
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计算log16 (1/8)+log9 3√3-log5 (√5/5)
计算log16 (1/8)+log9 3√3-log5 (√5/5)
计算log16 (1/8)+log9 3√3-log5 (√5/5)
log16 (1/8)+log9 3√3-log5 (√5/5)
={[lg2^(-3)]/lg2^4}+{lg3^(3/2)/lg3^2}-log5(5^(-1/2))
=(-3/4)+[(3/2)/2]-(-1/2)
=-(3/4)+(3/4)+(1/2)
=1/2
计算log16 (1/8)+log9 3√3-log5 (√5/5)
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