一道简算题1999+999×999

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一道简算题1999+999×999
一道简算题
1999+999×999

一道简算题1999+999×999
1999+999×999
=1000+999+999×999
=1000+999x(1+999)
=1000+999x1000
=1000x(1+999)
=1000x1000
=1000000

1999+999×999
=1000+999+999×999
=1000+999×(999+1)
=1000+999×1000
=1000×(1+999)
=1000×1000
=1000000

1999+999×999=1000000

1000000

1999+999×999
=1999+(999+1)×999-999
=1000+1000×999
=999000+1000
=1000000

你的最终目的是什么呢

一百万

1999+999*(1000-1)
=1999+9990-999
=10990

1000000

1999+999×999
=1000+999+999×999
=1000+999x(1+999)
=1000+999x1000
=1000x(1+999)
=1000x1000
=1000000

2995002

1999+999×999
=1000+999+999×999
=1000+999x(1+999)
=1000+999x1000
=1000x(1+999)
=1000x1000
=1000000

1999+999*999
=1000+999*1+999*999
=1000+999*(1+999)
=1000*1+1000*999
=1000*(1+999)
=1000*1000
=1000000

汗。。。
1000000