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... about a question of sending points, but many of you can't afford it. Let's continue to look at this question and find the distance of x-2y=0. The equation of the smallest circle..."
Chen Xiao shuddered, and came back to look at everything in front of him.
A teacher wearing heavy glasses is writing math problems on the blackboard, and the countdown to the college entrance examination is hung on the wall next to it - December 16, 1999, there are 205 days before the college entrance ...
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