Question

666✘667+222✘999怎么简便计算？

Answer 1

666×667+222×999=666×667+222×3×333=666×667+666×333=666×（667+333）=666×1000=666000

Answer 2

666＊667+222＊999
=666＊667+222＊3＊333
=666＊（667+333）
=666＊1000
=666000

Answer 3

=222*3*667+222*3*333
=666*（667+333）
=666*1000
=666000

Answer 4

666×667+222×999
=666×667+222×3×333
=666×667+666×333
=666×（667+333）
=666×1000
=666000

Answer 5

666×667+222×999
=666×667+666×333
=666×（667+333）
=666×1000
=666000