当m= 时,2m(5m-3)+2m(1-5m)的值等于24
当m= 时,2m(5m-3)+2m(1-5m)的值等于24
当m= 时,2m(3m-5)+3m(1-2m)=14
m+3m+5m+...+2011m-2m-4m-...-2010m等于多少?
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,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
当3小于等于m小于5时,化简|2m-10|- |m-3|=多少,
当m=根号5+2时,求代数式m+1/m的值
当m为何值时,式子2m—5m—1\3的值与式子7—m\2的值的和等于5?
当m=1/2时,求15m²-9-{-4m²+[5m-8m²-(2m²-m)+9m