3a(a+5)^4÷[a(a+5)^3]•(a+5)^2求做!
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3a(a+5)^4÷[a(a+5)^3]•(a+5)^2求做!
3a(a+5)^4÷[a(a+5)^3]•(a+5)^2求做!
3a(a+5)^4÷[a(a+5)^3]•(a+5)^2求做!
3a(a+5)^4÷[a(a+5)^3]×(a+5)^2
=3(a+5)×(a+5)^2
=3(a+5)^3
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)=?
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=
5a-a*a+[5a*a-3a]-6*[a*a-a]
(A+4)(A+4)-(A+5)(A+5)+(A-3)(A-3)=24-3A
5a-【a+(5a-2a)-2(a-3a)-4a】
(5A+2A-3-4A)-(-A+3A-A)其中A=-2
a=-1 求a-2a+3a-4a+5a-6a+...+99a-100a
3a(a+5)^4÷[a(a+5)^3]•(a+5)^2求做!