
1024×625×1331这道题用简便算法怎么做?
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1024*625*1331
=64*4*4*625*1331
=64*10000*1331
=64*1331*10000
=64*(1000+300+30+1)*10000
=(64000+19200+1920+64)*10000
=85184*10000
=851840000
=64*4*4*625*1331
=64*10000*1331
=64*1331*10000
=64*(1000+300+30+1)*10000
=(64000+19200+1920+64)*10000
=85184*10000
=851840000
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