432+50×432+49×432 = = = 简便计算怎么写?

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432+50×432+49×432===简便计算怎么写?432+50×432+49×432===简便计算怎么写?432+50×432+49×432===简便计算怎么写?432×【1+50+49]=43

432+50×432+49×432 = = = 简便计算怎么写?
432+50×432+49×432 = = = 简便计算怎么写?

432+50×432+49×432 = = = 简便计算怎么写?
432×【1+50+49]=43200

432+50×432+49×432
=50×432+(49+1)×432
=50×432+50×432
=(50+50)×432
=43200