这里usually的意思是有时候会比120或100低。OP贴的2014规则很明显是说100就够了。只是今年MAA

改了说法。变成“For AMC 12, invitations are issued to the top 5% of all scorers (approximately) or scores of at least 100 points (approximately). The exact cutoffs will depend on the difficulty of each contest.”。有了这一句，那他们就可以go above 100 as cutoff。

所有跟帖： 

• z -rubikscube- ♀ (12 bytes) () 03/01/2016 postreply 12:35:13