• 1. (2023五上·钱塘期末) 根据规律直接写出结果。

  9×8=0.72  9.999×9.998=99.970002

  9.9×9.8=97.02  9.9999× 9.9998=

  9.99×9.98=99.7002  9.999999×9.999998=