lgx=2(lga+3lgb)-1/2lgc
=2lga+6lgb-1/2lgc
=lg(a^2b^6c^(-1/2))
x=a²b^6/根號(hào)c
已知lgx=2(lga+3lgb)-(1/2)lgc,則x=?
已知lgx=2(lga+3lgb)-(1/2)lgc,則x=?
數(shù)學(xué)人氣:207 ℃時(shí)間:2020-06-18 08:36:09
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