(2m/m+2-m/m-2)÷m/m∧2-4
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(2m/m+2-m/m-2)÷m/m∧2-4 (2m/m+2-m/m-2)÷m/m∧2-4(2m/m+2-m/m-2)÷m/m∧2-4书写不规范哦!是[2m/(m+2)-m/(m-2)]÷m
(2m/m+2-m/m-2)÷m/m∧2-4
(2m/m+2-m/m-2)÷m/m∧2-4
(2m/m+2-m/m-2)÷m/m∧2-4
书写不规范哦!
是[2m/(m+2)-m/(m-2)]÷m/(m²-4)吧?
是的话,原式=[2m*(m-2)/(m+2)(m-2) -m(m+2)/(m-2)(m+2)]÷m/(m+2)(m-2)
=m(m-6)/(m+2)(m-2)÷m/(m+2)(m-2)
=m-6
暂无照片。怎么回事?
={2m(m-2)-m(m+2)}/{(m+2)(m-2)}÷m/(m²-4)
={m(m-6)}/(m²-4)÷m/(m²-4)
=m-6
[(2m/(m+2)-m/(m-2)]÷m/(m^2-4)
=[2m*(m-2)/(m+2)(m-2) -m(m+2)/(m-2)(m+2)]÷m/(m+2)(m-2)
=m/(m+2)(m-2)÷m/(m+2)(m-2)
=1
m^2-4可以化成(m+2)(m-2)
没题哦,太急了吧
(2m/m+2-m/m-2)÷m/m∧2-4
化简:【2m/(m+2) - m/(m-2)】÷m/(m²-4)
化简并求值 m*m*m-2m*m+m除以m*m*m-m 其中m=2011
m^2+2m
3-m/2m-4÷(m+2-5m-2)
化简m*m^2*m+m^2*m-m^2*m^2-m^3.
2m<m
m^2-12m
m>-2,m
计算:(m+3m+5m+...+2009m)-(2m+4m+6m+...+2008m)
(m+3m+5m+...+2009m)-(2m+4m+6m+...2008m)
(m+3m+5m+...+2014m)-(2m+4m+6m+...+2013m)
(m+3m+5m+...+2013m)-(2m+4m+6m+...+2012m)
(m+3m+5m+...+2015m)-(2m+4m+6m+...+2014m)=
计算:(m+3m+5m+...+2009m)-(2m+4m+6m+...+2010m)
m-2m-3m+4m-5m-6m+7m.2004m=?
(m+3m+5m.+2013m)-(2m+4m+6m+.+2012m)=?
已知m*m+m-1=0,求m*m*m+2m*m-2005