"268-198等于几"...268-198等于几

　"268+1885等于几"...268+1885等于几

　"198+268等于几"...198+268等于几

　"186+268等于几"...186+268等于几

　"268+138等于几"...268+138等于几

　"286+198等于多少"...286+198等于多少

　"6868等于多少"...6868等于多少

　"856+288等于几"...856+288等于几

　"268+941等于几"...268+941等于几

　"268-80等于几"...268-80等于几