计算16^(-3/4)+198^(lg1)+log0.5 4+2lg根号2+1/2 lg25

计算16^(-3/4)+198^(lg1)+log0.5 4+2lg根号2+1/2 lg25 lg1/4>lg1/5,2>1推出2lg1/4>lg1/5推出lg1/16>lg1/5推出1/16>1/5,以上推理的错误在于? 计算4lg2+3lg5-lg1/5（1）4lg2+3lg5-lg1/5（2）lg12.5-lg5/8+lg1/2（3）lg²4+lg²25+8lg2*lg5 计算log2 1/4+2^log2 2+91lg1+(0.25)^(1/2)×(-1/27)^(-2/3). 计算lg10-lg1=? 计算:4lg1+lg2.5+lg4-(1/2)lg10^2 计算(lg1/4-lg25)/100^-1/2=?求祥解 4lg2+3lg5-lg1/5化简 4lg2+3lg5-lg1/5 4lg2+3lg5-1lg1/5 1/5(lg32+log(4)(16)+6lg1/2)+1/5lg1/5 sos了~ 1/5(lg32+log(4)(16)+6lg1/2)+1/5lg1/5解答过程 计算 lg1∕2-lg1∕8+lg12.5-log8为底9乘以log3为底4 计算lg5+lg1/2= 计算 (lg1/2+lg1+lg2+lg4+lg8+.+lg1024)*log2 10 4lg2＋3lg5－lg1/5 求值 4lg2+3lg5--lg1/5 的值. lg1/4-lg25+ine1/2+2^1+log2^3