计算:(2a^2)^3·a^4=_____
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计算:(2a^2)^3·a^4=_____
计算:(2a^2)^3·a^4=_____
计算:(2a^2)^3·a^4=_____
(2a^2)^3·a^4=8a^10
(2a^2)^3·a^4=___a^6×a^4=a^10__
8a∧10
8a^10
分解因式:a^3-a=____;2a^2-18=____;4a^3-4a^2+a=____
计算√3/√24a/√a=____
计算:(1)4^24乘以(-0.25)^23-1=____.(1)4^24乘以(-0.25)^23-1=____.(2)若a^2n=3,则2a^6n-1=____.
(____+2a-3)+(-3a^2-2a+____)=a^2-1
运用平方差公式计算:1.(a+7)(a-7)=____ 2.(3a-2)(3a+2)=___ 3.(2+a)(a-2)=____ 4.102×98=___
计算1、|2/5-4/7|-|7/9+3/5|-|-2/9-1/7|=____ 2、|a-b|-|b-a|=_____
计算:(2a^2)^3·a^4=_____
分类计算与分步计算设集合A={1,2,3,4},B={a,b,c},从A到B的映射有____个?选项:A64 B81 C12 D16
一道二次根式!____ ____ ____ ____√a+4 - √9-2a + √1-3a + √-a^2
急,计算 (2)7200”=____'=____° (3)0.75°=____'____”急,计算(2)7200”=____'=____°(3)0.75°=____'____”(4)30.26=____°____'____”
a-1/2(a+b)-1/2(c+a-b)=____.(向量计算)
同义句:1:There is a comquter concer in Tom is shhool.=____ ____ ____ a ____ corner.2:Do Mr.White and Mrs.White come from america?=____ Mr.White and Mrs.White ____ America?3:Can I have a look at this lamp?=____ I ____ ____ this lamp?4:Take good c
若/a+3/+/2a-4/=0则a=___,b=____
计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8
计算(a+3a+5a+.+2005a)-(2a+4a+6a+.+2006a)=多少
计算:(a+3a+5a+...+2013a)-(2a+4a+6a+..+2012a)=?
计算:(a+3a+5a+...+2013a)-(2a+4a+6a+...+2012a)=?
计算(a+3a+5a+...+2009a)-(2a+4a+6a+...+2010a)