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
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化简log2[log3(log5125)]……1.化简log2[log3(log5125)]2.5log2(log981)3.log94+log38/log1/3164.求值(lg2)^2+两个2*l
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
化简log2[log3(log5 125)]……
1.化简log2[log3(log5 125)]
2.5log2(log9 81)
3.log9 4 +log3 8 /log1/3 16
4.求值(lg2)^2+两个2*lg5+lg50
3.log9 4 +log3 8除以log三分之一 16
4.求值(lg2)平方+lg2乘以lg5+lg50
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
1、log5 125=3,原式=0
2、log9 81=2,原式=5
3、4、题目看不懂...
log2[log3(log5 125)] =log2(log3 3)=log2 1=0
5log2(log9 81)=5log2 2=5
log9 4 +log3 8 /log1/3 16=log3 2+3log3 2/-4log3 2=log3 2-3/4
两个2*lg5是什么意思?
log2[log3[log5 125]]=?log2[log3[log5 125]]=?
(log2)和(log3)变成(log5)
log5[log2(log9/log3)]=?
化简:log2 2+log5 1-3^(2log9 5)+(3log3 5)^2+3^log3 2
计算log2 6-log2 3,lg5+lg2,log5 3+log5 1/3,log3 5-log3 15
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
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