[log3(4)+log根下3(2)][log2(9)+log4(根3)]
=[2log3(2)+2log3(2)][2log2(3)+1/4log2(3)]
=4log3(2)*9/4log2(3)
=4*9/4*log3*log2(3)
=9
[log3(4)+log根下3(2)][log2(9)+log4(根3)]
[log3(4)+log根下3(2)][log2(9)+log4(根3)]
数学人气:605 ℃时间:2020-01-25 11:24:17
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