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??????X????????????????=IF(MOD(X,10)=0,0,(INT((X-1)/10)*30+60)*(X-INT((X-1)/10)*10))+(6+9*(INT(X/10)-1)+3*(INT(X/10)-1)*(INT(X/10)-2)/2)*100

?????????????=IF(MOD(X,10)=0,(((50*INT((X)/10)^3)+217.5*(INT((X)/10)^2)+2.5*(INT((X)/10)))*10),((6+9*(INT(X/10)-1)+3*(INT(X/10)-1)*(INT(X/10)-2)/2)*100 + (((50*INT((X-1)/10)^3)+217.5*(INT((X-1)/10)^2)+2.5*(INT((X-1)/10)))*10) + ((INT(((INT((X-1)/10)*10+1)-1)/10)*30+60)*((INT((X-1)/10)*10+1)-INT(((INT((X-1)/10)*10+1)-1)/10)*10)+(6+9*(INT((INT((X-1)/10)*10+1)/10)-1)+3*(INT((INT((X-1)/10)*10+1)/10)-1)*(INT((INT((X-1)/10)*10+1)/10)-2)/2)*100) * (MOD(X,10) -1)+(((INT((X -1)/10) +2) *30)*(MOD(X,10)-1)*(MOD(X,10)-2)/2)))

?????( @siegfriedpan ):

????n-1??????n??Gold=1.4998*n^2+42.029*n-19.691

????2%?????????1??17%??3??-4.2%??4??-5%??5??-4.5%??6??-3.3%??10??4%?????????20????????С??1*?????????????С??

????1?????????n??Gold=0.5*n^3+21.749*n^2+2.6524*n-16.435

????2%???????1??33%??2??11%??3??3.9%?????????10????????С??1%?????????????С??

?????????????40407÷????????????http://austindefensivedrivingonline.com/mlkwy/