 㷨: 

:˵ȼΪy ҷȼΪx ߾Ϊz 

0y-x8z*(y-x+2)/10 
0<x-y8z/{(x-y)*10} 
y-x>8,N=z 
x-y>8,N=1 
Nȡ  


excelгĺʽΪ:=INT(IF(AND((y-x)>=0,(y-x)<=8),z*(y-x+2)/10,IF(AND((x-y)>=0,(x-y)<=8),z/((x-y)*10),IF((y-x)>8,z,IF((x-y)>8,1))))) 

x=G$2  
y=$C3  
z=$E3 




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