Question

999×778+666×333怎样巧算

Answer 1

巧算助力简便计算让计算效率更高更准

Answer 2

999×778+666×333
=999×778+222×3×333
=999×778+222×999
=999×(778+222)
=999×1000
=999000

Answer 3

999×778+666×333
=999×778+222×3333
=999×（778+222）
=999×1000
=999000

Answer 4

999× 778+666×333=999×778+222×3×333=999×778+222×999=999×（778+222）=999×1000=999000

Answer 5

999× 778+666×333=999×778+222×3×333=999×778+222×999=999×（778+222）=999×1000=999000