log(2)2√2 减1怎么算?
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log(2)2√2减1怎么算?log(2)2√2减1怎么算?log(2)2√2减1怎么算?log(2)2√2=log(2)2+log(2)√2=1+1/2=3/23/2-1=1/2注：√2=2^(1/
log(2)2√2 减1怎么算?
log(2)2√2 减1怎么算?
log(2)2√2 减1怎么算?
log(2)2√2 =log(2)2+log(2)√2=1+1/2=3/2
3/2-1=1/2
注：√2=2^(1/2)
=lpg2(2)+log2(√2)-1
=1+log2(2的1/2次方)-1
=1+1/2*log2(2)-1
=1+1/2-1
=1/2
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