化简10+3a-a^2/2+a-a^2

化简; a-2a+3a-4a+5a-6a+``````-2006a+2007a. 化简：a-2a+3a-4a+5a-6a+.+2010a+2011a. 计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8 化简10+3a-a^2/2+a-a^2 化简（a/a-2-a/a+2)×4-a/a（a/a-2-a/a+2)×4-a/a a-2a+3a-4a+5a-6a+7a-8a+9a-10a+11a.+99a-100a= 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) [a/(a-1)+a/(a+2)](a+2)/(2a平方+3a+1)化简 化简:[2/3a - 2/(a+b) * (a+b/3a - a - b)] / (a-b)/a 化简(a/a-2-a/a+3)*a^2+a-6/a 化简(a+1)(a-2)/(a+2)(a-2)+3 2a+a²/a-a 化简.(2a+a²/a)-a 化简 3a-[5a-(a+2)+a]-1 化简[(a³+2a²+4a)/(a³-8)-10/(a²+a-6)]/[1-21/(a²-4)]乘以(a+3)/(a-2) |a-2|-|3-a|化简 a-2a+3a-4a+5a-6a+...+99a-100a