求 log5(35)+ 2log0.5(根号2)-log3(1/27)-log3(1/15)-log5(21)
对数 log5(35)+2log0.5( 根号2)-log5(0.02)-log5(14)
高中对数log2(9)*log3(根号5)*log5(2)
求下列各式的值 1)log2 6+log2 3 2)lg5+lg2 3)log5 3+log5 三分之一 4)log3
log2(3)*log3(5)*log5(8)(具体步骤)
对数 log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)
log3^2/3与log5^6/5比较大小 (希望详细点)
log2(2)+log5(1)-log1/3(1/27)+[3^log3(5)]^2+3^-log3(2)=?
利用换底公式求值:1.log2 25 ×log3 4 ×log5 9 2.(log4 3+log8 3)(log3 2+
计算log2 6-log2 3,lg5+lg2,log5 3+log5 1/3,log3 5-log3 15
1/log2 (11) +1 /log3(11)+1/log4(11)+1/log5(11)
log2^5*log3^2倍根号2*log5^9=
寒假什么都忘关了唉.1.log4^25+log8^(4/125)=?2.log3^(根号27/3)+2log5^10+l