"1438+2576等于几"...1438+2576等于几

　"181745-17356等于几"...181745-17356等于几

　"3745-17356等于几"...3745-17356等于几

　"146+277等于几"...146+277等于几

　"2914-627等于几"...2914-627等于几

　"2578+9146等于几"...2578+9146等于几

　"146+237等于几"...146+237等于几

　"526+417等于几"...526+417等于几

　"467-278等于几"...467-278等于几

　"436+227等于几"...436+227等于几