计算:(log3(7/2))^2+log0.25(1/4)+9log5(√5)-log√3(1).("√"表示根号,"x
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计算:(log3(7/2))^2+log0.25(1/4)+9log5(√5)-log√3(1).("√"表示根号,"x^y"表示x的y次方),
![](http://img.wesiedu.com/upload/c/ae/cae9f30cd7f7927af3eb32a4e1bd278e.jpg)
第四题
![](http://img.wesiedu.com/upload/c/ae/cae9f30cd7f7927af3eb32a4e1bd278e.jpg)
第四题
![计算:(log3(7/2))^2+log0.25(1/4)+9log5(√5)-log√3(1).(](/uploads/image/z/15843567-39-7.jpg?t=%E8%AE%A1%E7%AE%97%3A%28log3%287%2F2%29%29%5E2%2Blog0.25%281%2F4%29%2B9log5%28%E2%88%9A5%29-log%E2%88%9A3%281%29.%28%22%E2%88%9A%22%E8%A1%A8%E7%A4%BA%E6%A0%B9%E5%8F%B7%2C%22x)
![](http://img.wesiedu.com/upload/0/07/007ba1a5351db6cb039fe6f31eb37e3d.jpg)
再问: 咋能这样?
再答: 哈哈 log3(7)和log3(2)的值应该查表会有的吧
主要的化简过程跟思路都有啦
log3为底3^1/2的对数+log0.25为底1/4的对数+9倍的log5为底根号5的对数-log根号3为底1的对数等
log 2 3 * log3 4 * log4 5 *log5 2 化简
[log(3)3^1/2]^2+log(0.25)1/4+9log5根号5-log(根号3)1=?
数学(log5 √2*log7 9)/(log5 1/3 *log7 3√4)+log2( √(3+√5)- log√(
log的计算 :log2(20)-log4(25)= log3(2)×log2(5)×log5(3)=?log2[log
log函数大小比较log3 2与log3 4 log3 12与log4 12 log0.5 2与log0.5 3 log
计算log的题目2log5 10+2log5 0.5+log2 1+3log3 3log后为系数,特隔空格区分,
(log3^4+log5^2)(log2^9+log2^根号3)
log8为底25为真数乘以log0.2为底32为真数+9的1/2-log3为底2为真数次方+log根号2减1为底根号下3
计算log2 6-log2 3,lg5+lg2,log5 3+log5 1/3,log3 5-log3 15
(log5根号2底乘以log根号7底3 )/log根号5底3分之1乘以log7底4的立方根
对数 log5(35)+2log0.5( 根号2)-log5(0.02)-log5(14)