作业帮lg1/4-lg25+ine1/2+2^1+log2^3
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lg1/4-lg25+ine1/2+2^1+log2^3
lg1/4-lg25+ine1/2+2^1+log2^3
lg1/4-lg25+ine1/2+2^1+log2^3
lg1/4-lg25+lg1/2+2^(1+log2^3 )
=-2lg3-2lg5-lg2+2×3
=-2-lg2+6
=4-lg2
lg1/4-lg25+ine1/2+2^1+log2^3
lg1/4-lg25答案是-2,
计算(lg1/4-lg25)/100^-1/2=?求祥解
2lg3+lg7+lg25/7-lg9/4+lg1
lg5-lg1/2-lg25-2lg2
lg5-lg1/2-lg25-2lg2=
lg1/4一lg25=?
lg1/4-lg25等于多少
计算16^(-3/4)+198^(lg1)+log0.5 4+2lg根号2+1/2 lg25
(lg1/4-lg25)除以100的负1/2次方等于
[(Lg1/4)一(Lg25)]÷100的负1/2次方?
(lg1/4-lg25)除以100的1/2次方等于多少
27^(2/3)+2lg1+lg25+lg4=
计算1/2lg25+lg2+Ine^(1/2)-lg1
1.1^lg1+3倍根号64-0.5^-2+lg25+2lg2
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?
2lg2 / lg1.08= 2lg2 / lg27-lg25= 2lg2/ 3lg3+2lg2-2 ≈ 18.1lg27-lg25=3lg3+2lg2-2?
计算lg25+lg2*lg25+2(lg2)^2