"625-478等于几"...625-478等于几

　"625-439等于几"...625-439等于几

　"625-49等于几"...625-49等于几

　"625-386等于几"...625-386等于几

　"625-576等于几"...625-576等于几

　"625+625等于几"...625+625等于几

　"625+395等于几"...625+395等于几

　"625-156等于几"...625-156等于几

　"625-198等于几"...625-198等于几

　"625/16-25等于多少"...625/16-25等于多少