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Questions and Answers
问题1
如何解方程xyz+2x+2y+1=250000?
答案1
将式子化简,得到xyz=249998-2x-2y,再带入已知的另外两个方程求解x和y,最后代入求得z。
问题2
方程解出来后,x、y、z分别等于多少?
答案2
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问题3
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答案3
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