搜搜考试网I eat bread and apples for breakfast.对bread and apples进行提问(变
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I eat bread and apples for breakfast.对bread and apples进行提问(变特殊疑问句)
紧急!
紧急!
What do you eat for breakfast?
还有问题追问哦亲~
再问： 数学题 f(x,y,z)=x^2(y-z)+y^2(z-x)+z^2(x-y) 用齐次轮换对称多项式解答 要详细过程！
再答： 你只有题干，问题呢?
再问： 因式分解啊， f(x,y,z)=x^2(y-z)+y^2(z-x)+z^2(x-y) 用齐次轮换对称多项式解答
再答： f(x,y,z)=x^2(y-z)+y^2(z-x)+z^2(x-y) 将x换成y,f(x,y,z)=0 将x换成z,f(x,y,z)=0 将y换成z,f(x,y,z)=0 所以含有因式 (x-y)(x-z)(y-z) 比较(x-y)(x-z)(y-z)与f(x,y,z)中x3的系数，一致 所以 f(x,y,z)=(x-y)(y-z)(z-x)
再问： 不是中间还应该设待定k吗？
再答： 这我就不太明白了，这道题我是问我朋友的。
再问： 好吧，谢了。
还有问题追问哦亲~
再问： 数学题 f(x,y,z)=x^2(y-z)+y^2(z-x)+z^2(x-y) 用齐次轮换对称多项式解答 要详细过程！
再答： 你只有题干，问题呢?
再问： 因式分解啊， f(x,y,z)=x^2(y-z)+y^2(z-x)+z^2(x-y) 用齐次轮换对称多项式解答
再答： f(x,y,z)=x^2(y-z)+y^2(z-x)+z^2(x-y) 将x换成y,f(x,y,z)=0 将x换成z,f(x,y,z)=0 将y换成z,f(x,y,z)=0 所以含有因式 (x-y)(x-z)(y-z) 比较(x-y)(x-z)(y-z)与f(x,y,z)中x3的系数，一致 所以 f(x,y,z)=(x-y)(y-z)(z-x)
再问： 不是中间还应该设待定k吗？
再答： 这我就不太明白了，这道题我是问我朋友的。
再问： 好吧，谢了。
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