求值(log3(2)+log9(2))*(log4(3)+log8(3))打括号是真数.
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求值(log3(2)+log9(2))*(log4(3)+log8(3))打括号是真数.
求值(log3(2)+log9(2))*(log4(3)+log8(3))
打括号是真数.
求值(log3(2)+log9(2))*(log4(3)+log8(3))打括号是真数.
原式=(log3(2)+1/2log3(2))*(2log2(3)+3log2(3))=3/2*5*log2(3)*log3(2)=15/2
(log3 2+log9 2)*(log4 3+log8 3)求值
求值:(log4^ 3+log8 ^9)*(log3^ 2+log9 ^16)
log3*2/log9*4
log3*2/log9*4=?
求值(log3(2)+log9(2))*(log4(3)+log8(3))打括号是真数.
log3 5-log3 15+1/2log9 27 的值
化简log2[log3(log5 125)]……1.化简log2[log3(log5 125)]2.5log2(log9 81)3.log9 4 +log3 8 /log1/3 164.求值(lg2)^2+两个2*lg5+lg503.log9 4 +log3 8除以log三分之一 16 4.求值(lg2)平方+lg2乘以lg5+lg50
求值.(log3^2+log9^3)*(log4^3+log8^3)+(log3^3^1/2)^2+ln根号下e-lg1我实在是算不好了,要命啊急滴,
利用换底公式求值:1.log2 25 ×log3 4 ×log5 9 2.(log4 3+log8 3)(log3 2+log9 2)
(log3^14-log3^2)log7^9求值
为什么log9(2)=log3(2)/2如题
化简(log4(3)+log8(3))(log3(2)+log9(2))
(log3^2 + log9^4)×(log4^3 + log8^3)
|log3(5)-2|+log9(25)+(1/32)^1/5
计算log9底8分之log3底2
为什么log9 (9/2)=log3(81/4)
log 243÷log9 =log3^5÷log3^2 =log3^5-log3^2 然后怎么写
化简:log2 2+log5 1-3^(2log9 5)+(3log3 5)^2+3^log3 2