求值:log2∧5×log5∧1/2
求值(log2 5+log4 1/5)(log5 2+log25 1/2)
高中数学对数计算求值(log2 125+log4 25+log8 5)*(log125 8+log25 4+log5 2
计算log2 6-log2 3,lg5+lg2,log5 3+log5 1/3,log3 5-log3 15
数学(log5 √2*log7 9)/(log5 1/3 *log7 3√4)+log2( √(3+√5)- log√(
求值 3^2-log3(2)= log7(log5(log2(32)))=?
log2(5)*log5(8)化简
log2(2)+log5(1)-log1/3(1/27)+[3^log3(5)]^2+3^-log3(2)=?
计算:(lg2)2+3lg5+lg5(1+lg2)+lg8+log2(5)log5(4)
log2^5*log3^2倍根号2*log5^9=
(log2^5+log4^0.2)(log5^2+log25^0.25)化简
利用换底公式求值:1.log2 25 ×log3 4 ×log5 9 2.(log4 3+log8 3)(log3 2+
log的计算 :log2(20)-log4(25)= log3(2)×log2(5)×log5(3)=?log2[log