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(log2 3+log4 27)(log3 4+log9 8)
人气:357 ℃ 时间:2020-10-01 20:09:20
解答
=(log2 3 +3/2log2 3)(2log3 2+3/2log3 2)
=5/2log2 3 ×7/2log3 2
=35/4
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