Question

999×333+333×334 使用简便方法计算。求大神啊

999×333+333×334 使用简便方法计算。求大神啊四年级数学题目

Answer 1

本题应用简便方法也不好做，
勉强做一下吧
999×333+333×334
=999×333+1×333+333×333
=(999+1)×333+999×111
=1000×333+(1000-1)×111
=444000-111
=443889

Answer 2

999×333+333×334
=999×333+333×1+333×333
=（999+1）×333+111×999
=1000×333+111×（1000-1）
=1000×333+111×1000-111
=1000×（333+111)-111
=1000×444-111
=444000-111
=443889

Answer 3

443889
解析：
999×333+333×334
=999×333+333×333+333
=999×333+999×111+333
=999×(333+111)+333
=999×444+333
=(1000-1)×444+333
=444000-444+333
=444000-111
=443889

Answer 4

999×333+333×334

=333*（999+334）

=333*1333

=443889

Answer 5

333×（999+333+1）＝333＋333000＝333333