log9^5=a,log3^7=b,求log35^9=?
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log9^5=a,log3^7=b,求log35^9=?log9^5=a,log3^7=b,求log35^9=?log9^5=a,log3^7=b,求log35^9=?log9^5=a,log3^7=
log9^5=a,log3^7=b,求log35^9=?
log9^5=a,log3^7=b,求log35^9=?
log9^5=a,log3^7=b,求log35^9=?
log9^5=a,log3^7=b
LOG(3,7)=2LOG(9,7)=B
==>LOG(9,7)=B/2
lOG(35,9)=1/LOG(9,35)=1/(LOG(9,7)+LOG(9,5))=1/(B/2+A)=2/(B+2A)
对数题用a=log3(5),b=log3(7),表示log9(175)=用a=log3(5),b=log3(7),表示log9(175)=求各种精辟回答
log9^5=a,log3^7=b,求log35^9=?
log9 5=a,log3 7=b试用a,b表示log21 35
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log5[log2(log9/log3)]=?
log3*2/log9*4=?
log9的5次=a,log9的7次=b,求log35的9次,
已知log9 5=a,log3 7=b,试用a,b表示log21 35······
log3^2*log5^7/log9^1/7*log125^82.log2^3=1-a/a,则log3^12=