m³-3m′9-m²-搜答案-智慧作业帮

等差数列求和,每三项合并,有668项,就可以用一加二一直加到一百的方法算了

(m/m+3-2m/m+3)÷m/m^-9=（m-2m）/(m+3)÷m/(m+3)(m-3)=-m÷m/（m-3）=3-m如果本题有什么不明白可以追问,

M

M小于等于10与9的异或结果值如果不是代码应该就是10的9次方,如果再代码里面,那就没得说了,严格的是异或,呵呵

(m+3m+5m+.+2009m)-(2m+4m+6m+.+2008m)=2009m

3m-2m=m5m-4m=m……2009m-2008m=m相当于m+m+m+……m总共2009答案2009m

9m²+【4m²-3m-(2m²-6m)】=9m²+（4m²-3m-2m²+6m）=9m²+（2m²+3m）=9m

[m(m-3)]/[(3+m)(3-m)]=-m/(3+m)分母平方差公式;分子提公因式

(\M/)

高兴的意思,

m-2m-3m+4m-5m-6m+7m.2004m=(1-2-3+4-5-6+7-8-9+...2002-2003-2004)m=(-4-7-10-..-2005)m=-(4+7+10+..+2005

M.

医学学士

(m+3m+5m+...+2009m)-(2m+4m+6m+...+2010m)=2010m/2=1005m

(m+3m+5m+...+2013m)-(2m+4m+6m+...+2012m)=(2013m-2012m)+(2011m-2010m)+...+(5m-4m)+(3m-2m)+m=m+m+...+m

（m2013m）*1007/2－（2m2012m）*1006/2=1007m

原式=m+3m+5m+.2014m-2m-4m-6m-.2013m=m-2m+3m-4m+5m-6m=m+(3m-2m)+(5m-4m)+(2014m-2013m)=m+m+.1007个m=1007m

=m+(3m-2m)+(5m-4m)+……+(2015m-2014m)=m+1007m=1008m

我怀疑你少一个平方m/(m+3)-6/(m-9)÷2/(m-3)=m/(m+3)-6/(m+3)(m-3)×(m-3)/2=m/(m+3)-3/(m+3)=(m-3)/(m+3)当m=-2时原式=(-

2m+m(3+2007)*1003/2=2m+1008015m=1005017m

“m

充分非必要

3m^2-m-[7m-2(4m-5)+9m^2]=3m^2-m-(7m-8m+10+9m^2)=3m^2-m-7m+8m-10-9m^2=-6m^2-10

esfe