"833-416等于几"...833-416等于几

　"833-732等于几"...833-732等于几

　"438-386等于几"...438-386等于几

　"843-348等于多少"...843-348等于多少

　"385+438等于几"...385+438等于几

　"836+882等于几"...836+882等于几

　"836+836等于几"...836+836等于几

　"847-328等于几"...847-328等于几

　"387+383等于几"...387+383等于几

　"826-383等于几"...826-383等于几