(log(8)9)/log(2)3
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(log(8)9)/log(2)3(log(8)9)/log(2)3(log(8)9)/log(2)33log(8)9=2/3log(2)3因为8=2的3次幂9等于3的2次幂所以log(8)9=2/3
(log(8)9)/log(2)3
(log(8)9)/log(2)3
(log(8)9)/log(2)3
3
log(8)9=2/3log(2)3
因为8=2的3次幂
9等于3的2次幂
所以log(8)9=2/3log(2)3 (系数可以提前,查性质中有)
所以原式等于2/3
(log(8)9)/log(2)3
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