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lg10^6= lg10^-5=
lg10^6= 6
lg10^-5=-5
Why can lg1.2 be divided into LG12 minus LG10?
lg1.2=lg(12/10)=lg12-lg10
Formula (replaced by M and N)
(1)lgM+lgN=lg(M*N)
(2)lgM-lgN=lg(M/N)
High school knowledge, did not expect to remember
Calculate lg10-lg1 =?
lg10=1
lg1=0
∴lg10-lg1=1
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