当m= 时,2m(3m-5)+3m(1-2m)=14
当m= 时,2m(3m-5)+3m(1-2m)=14
m-2m-3m+4m-5m-6m+7m.2004m=?
(m+3m+5m.+2013m)-(2m+4m+6m+.+2012m)=?
(m+3m+5m+...+2015m)-(2m+4m+6m+...+2014m)=
当m= 时,2m(5m-3)+2m(1-5m)的值等于24
(1m+3m+5m+...+2009m)-(2m+4m+6m+...=2008m)
(m+3m+5m+7m+.+2009m)-(2m-4m-6m-.-2008m)=?
当m= 时,分式(m-1)(m-2)/(m的平方-3m+2)的值为零
当m= 时 分式(m-1)(m-2)分之(m-1)(m-3)的值为0
已知m属于R,复数z=m(m-2)/m-1+(m平方+2m-3)i,当m为何值时
当m=1/2时,求15m²-9-{-4m²+[5m-8m²-(2m²-m)+9m
计算:(m+3m+5m+…+2015m)-(2m+4m+6m+…+2014m)=