(a+3)(a-3)+(a-5)(a+7)-2a(a-1)怎么做?
来源：学生作业帮助网 编辑：六六作业网 时间：2025/01/31 07:55:05
(a+3)(a-3)+(a-5)(a+7)-2a(a-1)怎么做?(a+3)(a-3)+(a-5)(a+7)-2a(a-1)怎么做?(a+3)(a-3)+(a-5)(a+7)-2a(a-1)怎么做?(
(a+3)(a-3)+(a-5)(a+7)-2a(a-1)怎么做?
(a+3)(a-3)+(a-5)(a+7)-2a(a-1)怎么做?
(a+3)(a-3)+(a-5)(a+7)-2a(a-1)怎么做?
(a+3)(a-3)+(a-5)(a+7)-2a(a-1)
=a^2-9+a^2+2a-35-2a^2+2
=4a-42
原式=(a^2-9)+(a^2+2a-35)-2a^2+2a
=a^2-9+a^2+2a-35-2a^2+2a
=4a-44
a-2a+3a-4a+5a-6a+7a-8a+9a-10a+11a.+99a-100a=
-a-7a+3a
5(a*a*b-3*a*a*b)-2*(a*a*b-7*a*b*b)
5a-a*a+[5a*a-3a]-6*[a*a-a]
[-a*(-2a)^3*(-a)^5]^7
合并同类项：a-2a-3a+4a+5a-6a-7a+8a+9a-10a-11a+12a+……+2008a+2009a-2010a-2011a
化简a+2a-3a-4q+5a+6a-7a-8a+...2001a+2002a-2003a-2004a
9a*a*a*a-()=(3a*a+5c)(3a*a-)
a-2a+3a-4a+5a-6a+...+99a-100a
化简; a-2a+3a-4a+5a-6a+``````-2006a+2007a.
(a+3a+5a+...+2009a)-(2a+4a+6a+...+2008a)=
(a+3a+5a+.+2009a)-(2a+4a+6a+.2008a)
计算（a+3a+5a+...+2009a)-(2a+4a+6a+...+2010a)
(a+3a+5a+...+2013a)-(2a+4a+6a+...+2012a)=
化简：a-2a+3a-4a+5a-6a+.+2010a+2011a.
计算(a+3a+5a+.+2003a)-(2a+4a+6a+...+2004a)
(a+3a+5a+.+2003a)-(2a+4a+6a+.+2004a)
（a+3a+5a...+2009a)-(2a+4a+6a+...+2010a)=?