问题
填空题
若log95=a，log37=b，则log359=______．
答案
∵log95=a，∴
=a，∴log35=2a；log35 log332
又∵log37=b，
∴log359=
=log332 log3(5×7)
=2 log35+log37
．2 2a+b
故答案为
．2 2a+b
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若log95=a，log37=b，则log359=______．
∵log95=a，∴
=a，∴log35=2a；log35 log332
又∵log37=b，
∴log359=
=log332 log3(5×7)
=2 log35+log37
．2 2a+b
故答案为
．2 2a+b