化简急3 [4/3a-(2/3a-1/3)]-3/2a
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化简急3[4/3a-(2/3a-1/3)]-3/2a化简急3[4/3a-(2/3a-1/3)]-3/2a化简急3[4/3a-(2/3a-1/3)]-3/2a解原式=3(4/3a-2/3a+1/3)-3
化简急3 [4/3a-(2/3a-1/3)]-3/2a
化简急
3 [4/3a-(2/3a-1/3)]-3/2a
化简急3 [4/3a-(2/3a-1/3)]-3/2a
解
原式
=3(4/3a-2/3a+1/3)-3/2a
=3(2/3a+1/3)-3/2a
=2a+1-3/2a
=3/2a+1
=4a-2a+1-3/2a
=1/2a+1
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)
[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+4)(2a+1)(a-3)
a=-1 求a-2a+3a-4a+5a-6a+...+99a-100a
(a-1)(a-2)(a-3)(a-4)-3因式分解,
计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8
因式分解:(1) a*4-a*3+a*2-a
因式分解:(a+1)(a+2)(a+3)(a+4)-120
(a+1)(a+2)(a+3)(a+4)的答案
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)=