兴宁人民政府:几道初一的简单数学题,会做的来啊!!!

来源:百度文库 编辑:高考问答 时间:2024/04/28 03:41:58
(1) (-t^m)^3*t-(-t^m)^2*t^m*t
(2) (-5a^6)^2+(-3a)^3*(-a^3)^3-(2a^3)^4
(3) (-2x^2)^4-(-2x^4)^2-3x^2*(x^2)^3
计算(2/3)^2004*1.5^2005*(-1)^2006
已知2x+5y-3=0,求4^x*32^y的值.

(1) (-t^m)^3*t-(-t^m)^2*t^m*t
=-t^3m*t-t^2m*t^m *t
=-t^(3m+1)-t^(3m+1)=-2*t^(3m+1)
(2) (-5a^6)^2+(-3a)^3*(-a^3)^3-(2a^3)^4
=25 a^12-9a^12-16a^12=0
(3) (-2x^2)^4-(-2x^4)^2-3x^2*(x^2)^3
=16x^8-4x^8-3x^8=9x^8
计算(2/3)^2004*1.5^2005*(-1)^2006
=[2/3*1.5*(-1)]^2004*1.5*(-1)^2
=(-1)^2004*1.5=1.5

已知2x+5y-3=0,求4^x*32^y的值.
2x+5y-3=0,2x+5y=3
4^x*32^y=2^2x*2^5y=2^(2x+5y)=2^3=8

(1) (-t^m)^3*t-(-t^m)^2*t^m*t
=-t^3m*t-t^2m*t^m *t
=-t^(3m+1)-t^(3m+1)=-2*t^(3m+1)
(2) (-5a^6)^2+(-3a)^3*(-a^3)^3-(2a^3)^4
=25 a^12-9a^12-16a^12=0
(3) (-2x^2)^4-(-2x^4)^2-3x^2*(x^2)^3
=16x^8-4x^8-3x^8=9x^8
计算(2/3)^2004*1.5^2005*(-1)^2006
=[2/3*1.5*(-1)]^2004*1.5*(-1)^2
=(-1)^2004*1.5=1.5

已知2x+5y-3=0,求4^x*32^y的值.
2x+5y-3=0,2x+5y=3
4^x*32^y=2^2x*2^5y=2^(2x+5y)=2^3=8

(1) (-t^m)^3*t-(-t^m)^2*t^m*t
=-t^3m*t-t^2m*t^m *t
=-t^(3m+1)-t^(3m+1)=-2*t^(3m+1)
(2) (-5a^6)^2+(-3a)^3*(-a^3)^3-(2a^3)^4
=25 a^12-9a^12-16a^12=0
(3) (-2x^2)^4-(-2x^4)^2-3x^2*(x^2)^3
=16x^8-4x^8-3x^8=9x^8
计算(2/3)^2004*1.5^2005*(-1)^2006
=[2/3*1.5*(-1)]^2004*1.5*(-1)^2
=(-1)^2004*1.5=1.5

已知2x+5y-3=0,求4^x*32^y的值.
2x+5y-3=0,2x+5y=3
4^x*32^y=2^2x*2^5y=2^(2x+5y)=2^3=8

(1) (-t^m)^3*t-(-t^m)^2*t^m*t
=-t^3m*t-t^2m*t^m *t
=-t^(3m+1)-t^(3m+1)=-2*t^(3m+1)
(2) (-5a^6)^2+(-3a)^3*(-a^3)^3-(2a^3)^4
=25 a^12-9a^12-16a^12=0
(3) (-2x^2)^4-(-2x^4)^2-3x^2*(x^2)^3
=16x^8-4x^8-3x^8=9x^8
计算(2/3)^2004*1.5^2005*(-1)^2006
=[2/3*1.5*(-1)]^2004*1.5*(-1)^2
=(-1)^2004*1.5=1.5

已知2x+5y-3=0,求4^x*32^y的值.
2x+5y-3=0,2x+5y=3
4^x*32^y=2^2x*2^5y=2^(2x+5y)=2^3=8

1) (-t^m)^3*t-(-t^m)^2*t^m*t
=-t^3m*t-t^2m*t^m *t
=-t^(3m+1)-t^(3m+1)=-2*t^(3m+1)
(2) (-5a^6)^2+(-3a)^3*(-a^3)^3-(2a^3)^4
=25 a^12-9a^12-16a^12=0
(3) (-2x^2)^4-(-2x^4)^2-3x^2*(x^2)^3
=16x^8-4x^8-3x^8=9x^8
计算(2/3)^2004*1.5^2005*(-1)^2006
=[2/3*1.5*(-1)]^2004*1.5*(-1)^2
=(-1)^2004*1.5=1.5

已知2x+5y-3=0,求4^x*32^y的值.
2x+5y-3=0,2x+5y=3
4^x*32^y=2^2x*2^5y=2^(2x+5y)=2^3=8

(1) (-t^m)^3*t-(-t^m)^2*t^m*t
=-t^3m*t-t^2m*t^m *t
=-t^(3m+1)-t^(3m+1)=-2*t^(3m+1)
(2) (-5a^6)^2+(-3a)^3*(-a^3)^3-(2a^3)^4
=25 a^12-9a^12-16a^12=0
(3) (-2x^2)^4-(-2x^4)^2-3x^2*(x^2)^3
=16x^8-4x^8-3x^8=9x^8
计算(2/3)^2004*1.5^2005*(-1)^2006
=[2/3*1.5*(-1)]^2004*1.5*(-1)^2
=(-1)^2004*1.5=1.5

已知2x+5y-3=0,求4^x*32^y的值.
2x+5y-3=0,2x+5y=3
4^x*32^y=2^2x*2^5y=2^(2x+5y)=2^3=8

简单