lg1/4-lg25 =lg(1/4*25)=lg1/100=-2
lg1/4-lg25 怎样计算
2个回答
相关问题
-
lg4-lg1/25+lg1
-
计算:(1)lg25+lg2•lg50; (2)3
-
计算:(1/4)^log4^1/3-lg25-lg4-log9^27
-
1.计算 lg25+2/3lg8+lg5×lg20+lg²2
-
计算lg2lg50+lg25-lg5lg20=______.
-
lg4-4lg0.2+lg1/25
-
计算:0.25×(-[1/2])-4+lg8+3lg5=______.
-
1.计算:lg 25+2/3lg 8+lg 5×lg 20+lg^(2) 2
-
计算lg25+lg50+lg2*lg500+(lg2)^2
-
计算16^(-3/4)+198^(lg1)+log0.5 4+2lg根号2+1/2 lg25