{参数}
M (1, 10, 6, 1);
N (1, 10, 5, 1);
{指标}
pjl:=if(m=3,(v+ref(v,1)+ref(v,2))/3,
(if(m=4,(v+ref(v,1)+ref(v,2)+ref(v,3))/4,
(if( m=5,(v+ref(v,1)+ref(v,2)+ref(v,3)+ref(v,4))/5,
( if(m=6,(v+ref(v,1)+ref(v,2)+ref(v,3)+ref(v,4)+ref(v,5))/6,
(v+ref(v,1)+ref(v,2)+ref(v,3)+ref(v,4)+ref(v,5)+ref(v,6))/7
){www.gpxiazai.com}
)
)
)
)
)
);
xg:pjl>=ref(pjl,n)*3;