24xy^2z^2(x+y+z)-32xyz(z-x-y)^2+8xyz^3(z-x-y)

显示全部楼层 · 2011-10-17 22:46:32

24x y^2 z^2 * (x+y-z) - 32xyz * (z-x-y) + 8xy z^3 * (z-x-y)=24x y^2 z^2 * (x+y-z)+32xyz * (x+y-z) - 8xy z^3 * (x+y-z)=(24x y^2 z^2+32xyz - 8xy z^3)(x+y-z)=8yz(3yz+32-8z^2)(x+y-z)对滴！.........

千问 · 2011-10-17 22:46:32

像猪一样的题目，现在数学咋这么烦人！这些老师和出版社脑子有毛病啊！现在的老师都像白痴，猪，畜生一样的...

千问 · 2011-10-17 22:46:32

24x y^2 z^2 * (x+y-z) - 32xyz * (z-x-y) + 8xy z^3 * (z-x-y)=24x y^2 z^2 * (x+y-z)+32xyz * (x+y-z) - 8xy z^3 * (x+y-z)=(24x y^2 z^2+32xyz - 8xy z^3)(x+y-z)=8yz(3yz+32-8z^2)(x+y-z...

千问 · 2011-10-17 22:46:32

24x y^2 z^2 * (x+y-z) - 32xyz * (z-x-y) + 8xy z^3 * (z-x-y)=24x y^2 z^2 * (x+y-z)+32xyz * (x+y-z) - 8xy z^3 * (x+y-z)=(24x y^2 z^2+32xyz - 8xy z^3)(x+y-z)=8xyz(3yz+4-z^2)(x+y...

千问 · 2011-10-17 22:46:32

自己想为你好...