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求值 3^2-log3(2)= log7(log5(log2(32)))=?
人气:409 ℃ 时间:2020-01-30 14:31:30
解答
3^2-log3(2)=
=3^2/3^(log3(2))
=9/2
log7(log5(log2(32)))
=log7(log5(5))
=log7 (1)
=0
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