{【-2a)^3·(-a^2)]^2+(2a^3·a^2)^2}/(-1/2a^5)^2 是个计算题!
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{【-2a)^3·(-a^2)]^2+(2a^3·a^2)^2}/(-1/2a^5)^2 是个计算题!
{【-2a)^3·(-a^2)]^2+(2a^3·a^2)^2}/(-1/2a^5)^2 是个计算题!
{【-2a)^3·(-a^2)]^2+(2a^3·a^2)^2}/(-1/2a^5)^2 是个计算题!
{【(-2a)^3·(-a^2)]^2+(2a^3·a^2)^2}/(-1/2a^5)^2
={[-8a^3*(-a^2)^2+4a^10}]/(a^10/4)
=(64a^10+4a^10)*4/a^10
=68a^10*4/a^10
=68*4
=272
计算(3a×a)+(2a×3a)+(3a×a)+[a×(a+2a+2a+2a+a)]
(a 1)(a 2)(a 3)(a
(a+2)(a+1)-a(a-3)
化简2a(a·a-3a-1)a乘a
计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8
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)=?
5a^-〔a^-2a-2(a^-3a)]
a(a-1)(a-2)(a-3)(a-4)因式分解
求和:1,a+a^2,a^3+a^4+a^5,a^6+a^7+a^8+a^9,···(a不等于0)