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83 83 99用简便方法计算

83+83*99 =83*(1+99) =83*100 =8300

99x83+83 =(99+1)x83 =100x83 =8300

83后面没有落下+的话8399*83=8000*83+399*83=664000+400*83-83=664000+33200-83=69711783后有加的话,83+99*83=83*(1+99)=8300

83乘99=83*(100-1)=83*100-83=8300-83=8217

83*83*99=83*83*(100-1)=83*83*100-83*83=682011答案:682011.

83+83*99 =83*1+99 =8300

简便计算99*83+83=(99+1)x83=100x83=8300

(99-1)83/99=9983/99-183/99=82又16/99

100-1+83=100+(83-1)=182

用简便方法计算下面各题83-1减83*9983+83*99=83*(99+1)=83*100=8300

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