简便计算
62×46+53×462+62
=62×46+53×400+43x62+62
=62x（46+53+1）+53x400
=62x100+21200
=6200+21200
=27400
62x46+53x462+62
=62x46+53x（400+62）+62
=62x46+21200+53x62+62
=62x（46+53+1）+21200
=62x100+21200
=6200+21200
=27400
62x46+53x462+62
=62x46+53x（400+62）+62
=62x46+53x400+53x62+62
=62x（46+53+1）+53x400
=62x100+50x400+3x400
=6200+20000+1200
=27400
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