求值 log(2)9×log(3)2
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求值 log(2)9×log(3)2
求值 log(2)9×log(3)2
求值 log(2)9×log(3)2
换底公式,
log(2)9×log(3)2 =lg9/lg2 *lg2/lg3=lg9/lg3=log(3)9=2
求值 log(2)9×log(3)2
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