(log2 3+log8 9)(log3 4+log9 8+log3 2)的运算过程
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(log2 3+log8 9)(log3 4+log9 8+log3 2)的运算过程
关于换底公式的都懂不起哟
关于换底公式的都懂不起哟
注明一下
loga的n次方 b的m次方=(m/n)loga b
loga b=lg b/lg a
原式
=(log2 3+log8 9)(log3 4+log9 8+log3 2)
=[log2 3+(2/3)log2 3][2log3 2+(3/2)log3 2+log3 2]
=(5/3)log2 3*(9/2)log3 2
=(15/2)(lg 3/lg 2)(lg 2/lg 3)
=15/2
loga的n次方 b的m次方=(m/n)loga b
loga b=lg b/lg a
原式
=(log2 3+log8 9)(log3 4+log9 8+log3 2)
=[log2 3+(2/3)log2 3][2log3 2+(3/2)log3 2+log3 2]
=(5/3)log2 3*(9/2)log3 2
=(15/2)(lg 3/lg 2)(lg 2/lg 3)
=15/2
(log2 3+log8 9)(log3 4+log9 8+log3 2)的运算过程
(log2(3)+log8(9))x(log3(4)+log9(8)+log3(2))
(log3 4+log3 8)(log2 3+log2 9)+(log3 根号2)(log9 7)/(log1/3 7)
1.log2 3*log3 4*log4 5*log5 2 2.(log4 3+log8 3)8(log3 2+log9
计算题:(log2的次方+log8 9的立方)(log3 4的立方+log9 8的立方+log3 2的立方)
(log4^3+log8^3)*(log3^2+log9^2)-log2^4次√32
(log4^3+log8^3)(log3^2+log9^2)+log2^(32)的1/4次方
[log2(3)+log4(9)][log3(4)+log9(2)]等于
求值:(log4^ 3+log8 ^9)*(log3^ 2+log9 ^16)
(log3^2 + log9^4)×(log4^3 + log8^3)
计算:(log4 9+log8 3)(log3 2+log9 2)-log1/3 4√81
log3^36-log3^4+log2(log2^16)+8^2/3+(27/8)^-1/3+log8^27/log4^