8.35×99+8.35简便计算 8.35×99+8.35的简便计算方法|
  • 8.35×99+8.35简便计算 8.35×99+8.35的简便计算方法|
  • 8.35×99+8.35简便计算 8.35×99+8.35的简便计算方法把原式看成8.35×1+8.35×99,提公因式8.35,就可以写成8...