(-3a^3)2`a^3+(-4a)^2`a^7-(3a^3)^3怎么做?还有(-2)^2·(1/2)^3`(-2^2)^3`[(-1/2)^2]^3、(-1/2xyz)`2/3x^2y^2`(-3/5yz^3)一共三道题,快,200分给聪明智慧的大神们!
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![(-3a^3)2`a^3+(-4a)^2`a^7-(3a^3)^3怎么做?还有(-2)^2·(1/2)^3`(-2^2)^3`[(-1/2)^2]^3、(-1/2xyz)`2/3x^2y^2`(-3/5yz^3)一共三道题,快,200分给聪明智慧的大神们!](/uploads/image/z/1620369-9-9.jpg?t=%28-3a%5E3%292%60a%5E3%2B%28-4a%29%5E2%60a%5E7-%283a%5E3%29%5E3%E6%80%8E%E4%B9%88%E5%81%9A%3F%E8%BF%98%E6%9C%89%28-2%29%5E2%C2%B7%281%2F2%29%5E3%60%28-2%5E2%29%5E3%60%5B%28-1%2F2%29%5E2%5D%5E3%E3%80%81%28-1%2F2xyz%29%602%2F3x%5E2y%5E2%60%28-3%2F5yz%5E3%29%E4%B8%80%E5%85%B1%E4%B8%89%E9%81%93%E9%A2%98%2C%E5%BF%AB%2C200%E5%88%86%E7%BB%99%E8%81%AA%E6%98%8E%E6%99%BA%E6%85%A7%E7%9A%84%E5%A4%A7%E7%A5%9E%E4%BB%AC%21)
(-3a^3)2`a^3+(-4a)^2`a^7-(3a^3)^3怎么做?还有(-2)^2·(1/2)^3`(-2^2)^3`[(-1/2)^2]^3、(-1/2xyz)`2/3x^2y^2`(-3/5yz^3)一共三道题,快,200分给聪明智慧的大神们!
(-3a^3)2`a^3+(-4a)^2`a^7-(3a^3)^3怎么做?
还有(-2)^2·(1/2)^3`(-2^2)^3`[(-1/2)^2]^3、(-1/2xyz)`2/3x^2y^2`(-3/5yz^3)一共三道题,快,200分给聪明智慧的大神们!
(-3a^3)2`a^3+(-4a)^2`a^7-(3a^3)^3怎么做?还有(-2)^2·(1/2)^3`(-2^2)^3`[(-1/2)^2]^3、(-1/2xyz)`2/3x^2y^2`(-3/5yz^3)一共三道题,快,200分给聪明智慧的大神们!
答:
1)
(-3a^3)2`a^3+(-4a)^2`a^7-(3a^3)^3
=9(a^6)(a^3)+16(a^2)(a^7)-27a^9
=9a^9+16a^9-27a^9
=-2a^9
2)
(-2)^2·(1/2)^3`(-2^2)^3`[(-1/2)^2]^3
=(4/8)*[(-4)^3]*(1/4)^3
=(1/2)*(-64)/64
=-1/2
3)
(-1/2xyz)`2/3x^2y^2`(-3/5yz^3)
=(-xyz/2)*(2x²y²/3)(-3yz³/5)
=(3/5)(x^3)(y^4)(z^4)
计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8
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)=
(a+3a+5a+.+2009a)-(2a+4a+6a+.2008a)
计算(a+3a+5a+...+2009a)-(2a+4a+6a+...+2010a)
(a+3a+5a+...+2013a)-(2a+4a+6a+...+2012a)=
化简:a-2a+3a-4a+5a-6a+.+2010a+2011a.
计算(a+3a+5a+.+2003a)-(2a+4a+6a+...+2004a)
(a+3a+5a+.+2003a)-(2a+4a+6a+.+2004a)
(a+3a+5a...+2009a)-(2a+4a+6a+...+2010a)=?
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
计算(3a×a)+(2a×3a)+(3a×a)+[a×(a+2a+2a+2a+a)]
a-2a+3a-4a+5a-6a+7a-8a+9a-10a+11a.+99a-100a=
(a 1)(a 2)(a 3)(a