"625-478等于几"...625-478等于几

　"625-379等于几"...625-379等于几

　"625+625等于几"...625+625等于几

　"625-258等于几"...625-258等于几

　"625+395等于几"...625+395等于几

　"625-358等于几"...625-358等于几

　"625-156等于几"...625-156等于几

　"625-439等于几"...625-439等于几

　"625-49等于几"...625-49等于几

　"576+624等于几"...576+624等于几