2021-II-17
I is true. Let
I is true. Let
In
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I is true. Since
Since
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I is true.
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\angle ACD & = & 180
In
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Let
Since
Let
Note that there are
The inter-quartile range
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Let
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& 14\times 16^{15} +17 \ti
Sub.
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Consider the equation of the straight line, we have
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I must be true. For any real number
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I must be true. Since