3a^2-6a+3
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3a^2-6a+33a^2-6a+33a^2-6a+33a^2-6a+3=3(a^2-2a+1)=3(a-1)^23(a-1)^23(a-1)^23(a-1^2=3(a-1)~~为平方(根号3*a-根
3a^2-6a+3
3a^2-6a+3
3a^2-6a+3
3a^2-6a+3
=3(a^2-2a+1)
=3(a-1)^2
3(a-1)^2
3(a-1)^2
3(a-1^2
=3(a-1)~
~为平方
(根号3*a-根号3)^2
可以分解为3(a-1)^2也可以分解为(3a-3)(a-1) 吧…
原式=3(a^2-2a+1)
=3(a-1)^2
3(a-1)^2
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)=?
(通分) a/a^a^a+3a+2 ,a/a^a+2a+1 ,-1/3a+6
a+a+1+a+2+a+3+a+4+a+5+a+6+a+7.+a+2013+a+2014=?
a-2a+3a-4a+5a-6a+7a-8a+9a-10a+11a.+99a-100a=
[(a^2-9)/(a^2-6a+9)+(3-a)/(a+3)]×(a-3)/a
化简(a/a-2-a/a+3)*a^2+a-6/a
a=-1 求a-2a+3a-4a+5a-6a+...+99a-100a
计算(3a×a)+(2a×3a)+(3a×a)+[a×(a+2a+2a+2a+a)]
a-2/a+3除以a平方+6a+9