436+199怎么简算

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436+199怎么简算

436+200-1
=636-1
=635

436+200-1

436+199
=436+200-1
=636-1
=635

436+199=436+200-1=635

436+200-1=535

原式=435+1+199=435+300=635

436+200-1=635很简单的啊