已知(y+m)/(x)=(m+x)/(y)=(x+y)/(m),求(m)/(x+y)的值答案是二分之一或-1
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![已知(y+m)/(x)=(m+x)/(y)=(x+y)/(m),求(m)/(x+y)的值答案是二分之一或-1](/uploads/image/z/12669048-0-8.jpg?t=%E5%B7%B2%E7%9F%A5%28y%2Bm%29%2F%28x%29%3D%28m%2Bx%29%2F%28y%29%3D%28x%2By%29%2F%28m%29%2C%E6%B1%82%28m%29%2F%28x%2By%29%E7%9A%84%E5%80%BC%E7%AD%94%E6%A1%88%E6%98%AF%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80%E6%88%96-1)
已知(y+m)/(x)=(m+x)/(y)=(x+y)/(m),求(m)/(x+y)的值答案是二分之一或-1
已知(y+m)/(x)=(m+x)/(y)=(x+y)/(m),求(m)/(x+y)的值
答案是二分之一或-1
已知(y+m)/(x)=(m+x)/(y)=(x+y)/(m),求(m)/(x+y)的值答案是二分之一或-1
1/2时,你是将三式分子分母相加得到的,注意分母不能为0,x,y,m,都不为0,但可能X+Y+M=0,此时m/(x+y)=-1
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