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99 83怎样简便计算

原式=99x83=(100-1)x83=100x83-1x83=8300-83=8217 供参考.

解:99乘83 =99X83 =(100-1)X83 =100X83-1X83 =8300-83 =8217

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

99乘83简便计算怎么做99乘83=83*(100-1)=83*100-83=8300-83=8217

发讥篡客诂九磋循单末简便计算: 93*99+93 =93*99+93*1 =93*(99+1) =93*100 =9300

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

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

83x83x99的简便运算83+83x99=83*(1+99)=83*100=8300

83x(100-1) 8300-83 =8217 求采纳.

解:99*83=(100-1)*(80+3)=8000+300-80-3=8217

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