计算"3log9 (lg2-1)^2+5log25 (lg0.5-2)^2还有一题化简:log5 √2*log7 9/log5 1/3*log7 三次的根号4=

计算3∧log9(lg2-1)∧2+5log25∧(lg0.5-2)∧2 lg2+lg50+3^1-log9(2) 计算3log9 (lg2-1)^2+5log25 (lg0.5-2)^2还有一题化简:log5 √2*log7 9/log5 1/3*log7 三次的根号4= 3log9 (lg2-1)^2+5log25 (lg0.5-2)^2老师也不给讲，等到高三就耽搁了、 计算：-5log9^4+log3^32/9-5log5^3-(1/64)^-2/3 计算3^log9(64) 计算：（lg2)2+3lg5+lg5(1+lg2)+lg8+log2（5）log5（4) 计算（log4 3+ log8 3）（log3 2+ log9 2）-- log1/2 32^(1/3)+5^（log259） 计算log4(3)*log9(32) 3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2 3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2 化简(log4(3)+log8(3))(log3(2)+log9(2))(log4(3)+log8(3))(log3(2)+log9(2))=(lg3/lg4+lg3/lg8)(lg2/lg3+lg2/lg9)=5lg3/6lg2X3lg2/2lg3=5/6X3/2=5/4可是是怎样从第一步到第二步的? 计算log16 (1/8)+log9 3√3-log5 (√5/5) 计算(log5^3+log25^3)(log9^5+log27^5) log9 ((4^更号27)/3)+lg 20+log100 25+5^(log5 2)对数计算 计算[log9(5)+log3(5)]乘[log25(3)+log125(9)] 计算：log5乘log8乘log9分之116 3 5 计算:(1/4)^log4^1/3-lg25-lg4-log9^27