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命题如果m>0,x,y∈[m,+∞),或x, y∈(-∞,m],且(x+(1/2)(x~2+m~2))(y+(1/2)(y~2+m~2)=m~2,那么x=y.
Proposition If m> 0, x, y∈ [m, + ∞), or x, y∈ (-∞, m], and (x + (1/2) (x ~ 2 + m ~ 2)) (y + 1/2) (y ~ 2 + m ~ 2) = m ~ 2, then x = y.