Log3(81)是多少,公式是怎么算的

2025-02-24 08:19:18
推荐回答(5个)
回答1:

log3(81)= log3(3^4) = 4Xlog3(3) = 4
log2(36) = log2(4X9) = log2(4) + log2(9) = log2(2^2) + log2(3^2) = 2Xlog2(2) +3Xlog2(3) = 2+2log2(3)
^表示幂运算,2的3次方写作 2^3

回答2:

log3(3x3x3x3)=log3(3)+log3(3)+log3(3)+log3(3)=1+1+1+1=4

回答3:

log3(3^4)=4log3(3)=4

回答4:

等于4,也就是说三的几次方等于81

回答5:

4. Log3(3)=1,3x3x3x3=81 3的4次方