化简:-5x^5y^3z除以(1/5x^4y)乘上25x^2y
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化简:-5x^5y^3z除以(1/5x^4y)乘上25x^2y
要写过程
要写过程
![化简:-5x^5y^3z除以(1/5x^4y)乘上25x^2y](/uploads/image/z/19193612-68-2.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A-5x%5E5y%5E3z%E9%99%A4%E4%BB%A5%EF%BC%881%2F5x%5E4y%EF%BC%89%E4%B9%98%E4%B8%8A25x%5E2y)
先看常数:-5除以1/5乘25=-625
x:x^5除以x^4乘x^2=x^(5-4+2)=x^3
y:y^3除以y乘y=y^3
z:z
综合起来原式=-625x^3y^3z
x:x^5除以x^4乘x^2=x^(5-4+2)=x^3
y:y^3除以y乘y=y^3
z:z
综合起来原式=-625x^3y^3z
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因式分解:25x y^2 z^2 (x+y-z)-30xyz(z-x-y)^2+5x y z^3 (z-x-y)
{5x-3y+z=2{5x+2y-4z=3{-5x+y-z=2 {x-y-z=-1{3x+5y+7z{4x-y+2x=-