15a²-[-4a5a-8a²-(2a²-a)9a²]-3a

2a*a+3a+2/a+1-a*a-a-5/a+2-3a*a-4a-5/a-2+2a*a-8a+5/a-32a*a+3a+2/a+1-a*a-a-5/a+2-3a*a-4a-5/a-2+2a*a-8a

计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8计算;(a^3)^4+a^10×a^2-a×a^2-a*a^

a-2a-3a+4a+5a-6a-7a+8a+9a-10a-11a.+2008a+2009a-2010a-2011a如何合并同类项?a-2a-3a+4a+5a-6a-7a+8a+9a-10a-11a.

a-2a+3a-4a+5a-6a+7a-8a+9a-10a+11a.+99a-100a=a-2a+3a-4a+5a-6a+7a-8a+9a-10a+11a.+99a-100a=a-2a+3a-4a+5

因式分解2a(a-4)^2-6a^2(4-a)+8a(a-4a)因式分解2a(a-4)^2-6a^2(4-a)+8a(a-4a)因式分解2a(a-4)^2-6a^2(4-a)+8a(a-4a)2a(a

1.求15a^2-{-4a^2+【5a-8a^2-（2a^2-a）+9a^2】-3a}的值,其中a=-3/2.1.求15a^2-{-4a^2+【5a-8a^2-（2a^2-a）+9a^2】-3a}的值

求15a平方-{-4a平方+[5a-8a平方-(2a平方-a)+9a平方]-3a}的值,其中a=负3/2求15a平方-{-4a平方+[5a-8a平方-(2a平方-a)+9a平方]-3a}的值,其中a=

已知1+a+a^2+a^3=0,求a+a^2+a^3+a^4+a^5+a^6+a^7+a^8+.+a^2008的值已知1+a+a^2+a^3=0,求a+a^2+a^3+a^4+a^5+a^6+a^7+

合并同类项：a-2a-3a+4a+5a-6a-7a+8a+9a-10a-11a+12a+……+2008a+2009a-2010a-2011a合并同类项：a-2a-3a+4a+5a-6a-7a+8a+9

化简（a/a-2-a/a+2)×4-a/a（a/a-2-a/a+2)×4-a/a化简（a/a-2-a/a+2)×4-a/a（a/a-2-a/a+2)×4-a/a化简（a/a-2-a/a+2)×4-a/

求15a平方-{-4a平方+[5a-8a平方-(2a平方-a)+9求15a平方-{-4a平方+[5a-8a平方-(2a平方-a)+9求15a平方-{-4a平方+[5a-8a平方-(2a平方-a)+9原

当a=-3/2时,求代数式15a^2-{-4a^2+[5a-8a^2-(2a^2-a)+9a^2]-3a}当a=-3/2时,求代数式15a^2-{-4a^2+[5a-8a^2-(2a^2-a)+9a^

计算(a-4)(4+a)(2a+8)(a-2)/(a+4)(a+4)(a-4)(a+2)计算(a-4)(4+a)(2a+8)(a-2)/(a+4)(a+4)(a-4)(a+2)计算(a-4)(4+a)

2a^+3a+2a^-a-53a^-4a-52a^-8a+5-----------------------+--------a+1a+2a-2a-3注：(^)为平方请求具体的计算过程2a^+3a+2a

(a+1)(a-1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)(a^32+1).(a^1024+1)=?(a+1)(a-1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)(

(a+1)(a-1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)(a^32+1).(a^1024+1)=(a+1)(a-1)(a^2+1)(a^4+1)(a^8+1)(a^16+1)(a

计算[(a^2+7a-8)/(4a-a^3)]*[(a^2-4)/(3a+24)]计算[(a^2+7a-8)/(4a-a^3)]*[(a^2-4)/(3a+24)] 计算[(a^2+7a-8

（2a*a-4a+1)-()=4a*a-8a+2（2a*a-4a+1)-()=4a*a-8a+2（2a*a-4a+1)-()=4a*a-8a+2（2a*a-4a+1)-()=4a*a-8a+2,其实就

(a+x/a^2-2a+8/4-a^2)/a-2/a(a+x/a^2-2a+8/4-a^2)/a-2/a(a+x/a^2-2a+8/4-a^2)/a-2/a原式=[(a+2)/a(a-2)-8/(a+

[a+2/a-2]-[a-2/a+2]-[8a/a²-4]=[a+2/a-2]-[a-2/a+2]-[8a/a²-4]=[a+2/a-2]-[a-2/a+2]-[8a/a²