用简便方法计算．222×999+333×334．_数学解答

用简便方法计算．222×999+333×334．

人气：381 ℃　时间：2019-11-18 02:49:50

解答

222×999+333×334
=222×3×333+333×334
=666×333+333×334
=（666+334）×333
=1000×333
=333000．