49 lines
436 B
Plaintext
49 lines
436 B
Plaintext
ans
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011070
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$(-\infty,0)\cup (0,+\infty)$
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011072
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$2$
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011073
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$1$
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011074
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$2$
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011075
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$\dfrac 35$
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011076
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$\dfrac 72$
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011078
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$[2-\sqrt{10},2+\sqrt{10}]$
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011079
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$-2$
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011081
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$\sqrt{3}$
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011082
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C
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011083
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D
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011084
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C
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011086
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(1) $\sqrt{3}$; (2) $\dfrac{\sqrt{3}}6$
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011087
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(1) $\{1,\log_2 3\}$; (2) $[0,4]$
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011088
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(1) $n=400$; (2) $|x-y|=4$; (3) $\dfrac{7}{10}$
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011090
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(1) 具有性质$P$, 理由略; (2) 证明略; (3) $[-4043,-4041]$ |