"625-258等于几"...625-258等于几

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　"627-254等于几"...627-254等于几

　"625-25等于几"...625-25等于几

　"625-379等于几"...625-379等于几

　"625-576等于几"...625-576等于几

　"625-478等于几"...625-478等于几

　"625+625等于几"...625+625等于几

　"625-250等于几"...625-250等于几

　"625-198等于几"...625-198等于几