问题
解答题
简便计算:778×999+666×333.
答案
778×999+666×333,
=778×999+222×3×333,
=778×999+222×999,
=(778+222)×999,
=1000×999,
=999000.
简便计算:778×999+666×333.
778×999+666×333,
=778×999+222×3×333,
=778×999+222×999,
=(778+222)×999,
=1000×999,
=999000.