已知(m+58)^2=654481,求(m+48)(m+68).
已知(m+58)的2次方=654481,求(m+48)(m+68)
已知m²+2m+1=0,求m³+2m²+3m
已知m+m分之一=1,求m(m+3)+(1+2m)(1-2m)的值
已知m/n=5、,求(m/(m+n))+(m/(m-n))-(n^2/(m^3-n^2))
已知m^2+m-1=0,求m^2+2m^2+2007的值
已知m^2+m-1=0,求m^+2m^2+2013的值
已知m^2+m-1=0,求m^3+2m^2+2004
已知m^2-7m+1=0,求m^2+1/m^2的值
已知m^2+m-1=0求m^3+2m^2+2015的值
已知m^2+m-0=0,求m^3+2m^2+2013的值
已知m^2+m-1=0,求m^3+2m^2+1997的值.
已知2^m•4^m•8^m=2^18,求m的值?