3lg 2 lg 5
求值 lg 2lg 50 + lg 5lg 20 - lg 100lg 5lg 2
高一对数运算:计算lg^3(2)+lg^3(5)+3lg(2)lg
求值(lg 2)^2 lg 2lg 5 lg 50
2lg²2+lg²5+3lg2lg5-lg2
计算:lg³2+lg³5+3lg2lg5
不等式lg(x-3)+lg(x-2)
lg
1.lg²5+lg2×lg5+lg2 2.(lg2)³ +(lg 5)³ +3lg 2×l
lg(4倍根号2/7)-lg(8的2/3次方)+lg(7倍根号5)等于
计算:lg(1/2)-lg(5/8)+lg(12.5)+log2为底3*log3为底8=
27^2/3-2^log2^3xlog2^1/8+lg^4+2lg^5等于
lg3+(2/5)lg9+(3/5)lg根号27-lg根号3