问题
解答题
454十999×999十545.
答案
454+999×999+545,
=(454+545)+999×999,
=999+999×999,
=999×(1+999),
=999×1000,
=999000.
454十999×999十545.
454+999×999+545,
=(454+545)+999×999,
=999+999×999,
=999×(1+999),
=999×1000,
=999000.