作业帮log8 9*log3 2+lg5lg20+(lg2)^2=?
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log8 9*log3 2+lg5lg20+(lg2)^2=?
log8 9*log3 2+lg5lg20+(lg2)^2=?
log8 9*log3 2+lg5lg20+(lg2)^2=?
log8 9*log3 2+lg5lg20+(lg2)^2
=lg9/lg8 * lg2/lg3 + lg5*(lg4+lg5)+(lg2)^2
=2lg3/(3lg2)* lg2/lg3 + 2lg5*lg2+(lg5)^2 +(lg2)^2
=2/3 +(lg5+lg2)^2
=2/3 +1
=5/3
log3(2)*log8(9)
(9/4)^(-1/2)+log8 9*log3 32=
log8 9*log3 2+lg5lg20+(lg2)^2=?
log3（2）*log8（9）怎么计算?
求值:(log4^ 3+log8 ^9)*(log3^ 2+log9 ^16)
(log2(3)+log8(9))x(log3(4)+log9(8)+log3(2))
求（log2^3+log8^9)(log3^4+log9^8+log3^2)的值
计算log8底9*log3底32
(log4(3)+log8(3))*log3(2)
log3：2乘log8：9.求出.
已知log8^9=a log3^5=b 求lg 2
计算：lg1/2-lg5/8+lg12.5-log8^9．log3^4=带过程
lg(1/2)-lg(5/8)+lg12.5-log8＾9×log3＾4要过程
log8 9乘log3 4等于几?求解 多谢
(log3 2+log9 2)*(log4 3+log8 3)求值
化简(log4(3)+log8(3))(log3(2)+log9(2))
(log3^2 + log9^4)×(log4^3 + log8^3)
(log4(3)+log8(3))*(log3(2)+log8(2))-log1/2(^4√32)=?..