Question

999乘778加333乘666怎样简便计算？

Answer 1

999乘778加333乘666=333乘3乘778+333乘666=333乘2334+333乘666=333乘3000=999000

Answer 2

999乘778加333乘666=111*9*778+111*3*3*2*111=9*111（778+222）

Answer 3

分解333和666

Answer 4

999*778+333*666
=999*778+999*222
=999*（778+222)
=999*1000
=999000
或
999*778+333*666
=333*2334+333*666
=333*（2334+666）
=333*3000
=999000

Answer 5

(1)1.666x333+778x999
=222x(3x333)+778x999
=222x999+778x999
=(222+778)x999
=999000
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