"843-348等于多少"...843-348等于多少

　"843-478等于几"...843-478等于几

　"847-488等于几"...847-488等于几

　"843-293等于几"...843-293等于几

　"827-435等于几"...827-435等于几

　"847-29等于几"...847-29等于几

　"846-772等于几"...846-772等于几

　"836+882等于几"...836+882等于几

　"7983-4258等于几"...7983-4258等于几

　"7328+286等于几"...7328+286等于几