11111×99999+99999×6666怎样简算?

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11111×99999+99999×6666怎样简算?11111×99999+99999×6666怎样简算?11111×99999+99999×6666怎样简算?11111×99999+99999×6

11111×99999+99999×6666怎样简算?
11111×99999+99999×6666怎样简算?

11111×99999+99999×6666怎样简算?
11111×99999+99999×6666
=17777*99999
=17777*(100000-1)
=1777700000-17777
=1777682223

=(11111+6666)*99999
=17777*99999
=17777*(100000-1)
=1777700000-17777
=1777682223