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标题: [求助]一道数学。？？？ [打印本页]

作者: xh33 时间: 2002-12-23 21:00 标题: [求助]一道数学。？？？

if x is in the line, then -x is in the line. is 12 in the line?
I. -2 is in the line
II. -3 is in the line
ans: C

？？？

作者: 猫猫头 时间: 2002-12-23 21:46

题目对吗？？

作者: lisaislisa 时间: 2002-12-23 22:06

i am wondering ....
what means in the line ?...

now i am thinking about the answer E

^^

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