9乘以log以3为底5的对数
=9×[(log5)÷(log3)]
=9×[0.69897000433601880478626110527551÷0.47712125471966243729502790325512]
=9×1.4649735207179271671970404076786
=13.184761686461344504773363669108
9乘以log以3为底5的对数
=9×[(log5)÷(log3)]
=9×[0.69897000433601880478626110527551÷0.47712125471966243729502790325512]
=9×1.4649735207179271671970404076786
=13.184761686461344504773363669108