log9(45)-log9(5)
log9(45)-log9(5)
log3(5)+log9(5)求大神帮助
log4^27×log(8)25×log9^5
已知log9 5=a,log9 7=b,求log35 9的值
log3 5-log3 15+1/2log9 27 的值
log9的5次=a,log9的7次=b,求log35的9次,
(1)log4 27乘以log25 8乘以log9 5 (2)(log4 3+log8 3)(log3 2+log9 2
已知lg2=a,lg9=b求log9(下方)45的值
(log2^3 +log3^5) x ( log3^5 +log9^5 ) x lg 2 ,
计算3∧log9(lg2-1)∧2+5log25∧(lg0.5-2)∧2
(log4 3+log8 3)(log3 5+log9 5)(log5 2+log25 2)=
2^(log4^12)-3^(log9^27)+5^(log25^1/3)等于多少?