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見老注冊用戶都回：
zf:=c/ref(c,1)-1;
a3:=ref(zf>3/100 and c>ma(c,5) and between(v/ma(v,5),0.5,1),2) ;
a2:=every(zf>0 and zf<2/100,2);
a1:=v<ref(v,2), and ref(v,1)<ref(v,2);
xg:a3 and a2 and a1;
見老注冊用戶都回：
zf:=c/ref(c,1)-1;
a3:=ref(zf>3/100 and c>ma(c,5) and between(v/ma(v,5),0.5,1),2) ;
a2:=every(zf>0 and zf<2/100,2);
a1:=v<ref(v,2), and ref(v,1)<ref(v,2);
xg:a3 and a2 and a1;
多謝幫忙
見老注冊用戶都回：
zf:=c/ref(c,1)-1;
a3:=ref(zf>3/100 and c>ma(c,5) and between(v/ma(v,5),0.5,1),2) ;
a2:=every(zf>0 and zf<2/100,2);
a1:=v<ref(v,2), and ref(v,1)<ref(v,2);
xg:a3 and a2 and a1;