1.5÷[(50.4+15.6)×M-23]=0.15 M=
1.5÷[(50.4+15.6)×M-23]=0.15 M=
m²-4m+4/m²-1÷m-2/m+1+2/m-1,其中m=2
化简并求值 m*m*m-2m*m+m除以m*m*m-m 其中m=2011
n=m/M
(((m>=1) & (m
m-2m-3m+4m-5m-6m+7m.2004m=?
(m+3m+5m.+2013m)-(2m+4m+6m+.+2012m)=?
(m+3m+5m+...+2015m)-(2m+4m+6m+...+2014m)=
化简求值(m+2/m²-2m)-(m-1/m²-4m+4)÷(m-1/m) 其中m=4
已知m=1/m,求代数式m²-m-6/m-3÷m=3/m²+m-6的值
(m²-2m+1/m²-1+m²-m/m)÷(1+m/2,其中m=-3)
简易方程m+m-m+m-m+m=8.2那m等于多少