IMO和USAMO gold比,可能真的是刷了更多的题。如果USAMO gold都到不了,和人家差距就大了。再说人家刷题只能是酸葡萄心理
IMO和USAMO gold比,可能真的是刷了更多的题。如果USAMO gold都到不了,和人家差距就大了。再说人家刷题只能是酸葡萄心理
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