(a^2+1)^2-4a^2.(2)3a^2-6a+3.(a^2+1)^2-4a^2.(2)3a^2-6a+3.因式分解

a(a-1)(a-2)(a-3)(a-4)因式分解 【1】a+a=a×a a= [ ]【2】a×a=a÷a a=[ ]【3】a×a=a－a a=[ ] [4]a－a=a＋a a=[ ] a+a+1+a+2+a+3+a+4+a+5+a+6+a+7.+a+2013+a+2014=? 幂的计算题1、a×a^2×a^3×a^4×a^52、a+2a+3a+4a+a×a^2×a^3×a^4 (a 1)(a 2)(a 3)(a (a+2)(a+1)-a(a-3) 求和:2a+a^2+3a+a^3+4a+a^2.na+a^n [a^2-4/(a-3)(a+2)+(a+2)/a-3]除以a+1/a-3 (a+1/a方-a+4/1-a方)/a方+2a-3/a+3 a=-1 求a-2a+3a-4a+5a-6a+...+99a-100a (a+4)(2a+1)(a-3) 1.( -2/2a+3) + (3/3-2a)+[ 2a+15/ (2a-3)(2a+3)]2.[(a+2a^2-2a) - (a-1/a^2-4a+4)] ÷ 4-a/a 已知a^2-3a+1=0,求(1)(a-1/a)^2;(2)a^4+1/a^4;(3)(a^4+a^2+1)/a^2. 计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8 (a-1)(a-2)(a-3)(a-4)-3因式分解, 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)=