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题库 / Prep2007E2-PS-29
If n denotes a number to the left of 0 on the number line such that the square of n is less than ~$\frac{1}{100}$~, then the reciprocal of n must be?
lessthan -10
between -10 and -1
between -1 and 0
between0 and 10
greaterthan 10
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求出来范围是（-0.1,0）倒数求错了。
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