2024-09-16 00:49:50 +00:00
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# 1.
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a. `1 2`
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2024-09-16 00:57:54 +00:00
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b. `0`
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2024-09-16 01:12:54 +00:00
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c. `1`
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2024-09-16 01:17:54 +00:00
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d. `0`
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2024-09-16 00:49:50 +00:00
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# 3.
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2024-09-16 01:34:27 +00:00
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a. `1`
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b. `-1`, `-2`
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c. `-1`, `-1`
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d. `1`, `2`
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2024-09-16 01:24:16 +00:00
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2024-09-16 00:49:50 +00:00
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# 9.
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2024-09-16 01:34:27 +00:00
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2024-09-16 00:49:50 +00:00
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# 11.
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# 15.
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