"2940除以40等于几"...2940除以40等于几

　"294除以44等于几"...294除以44等于几

　"2740除以45等于几"...2740除以45等于几

　"2944除以46等于几"...2944除以46等于几

　"2940-2940除以28×21等于几"...2940-2940除以28×21等于几

　"4594除以270等于几"...4594除以270等于几

　"2540除以90等于几"...2540除以90等于几

　"294除以四十"...294除以四十

　"2940除以48等于几"...2940除以48等于几

　"2940除以28×21等于几"...2940除以28×21等于几