What is the q'th term of 184, 182, 180, 178, 176, 174?
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What is the x'th term of 31, 78, 157, 268, 411, 586?
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What is the j'th term of -225, -226, -227?
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What is the u'th term of -440, -802, -1164, -1526?
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What is the l'th term of 189, 362, 535?
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What is the k'th term of -125, -123, -119, -113, -105?
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What is the o'th term of -386, -776, -1168, -1562, -1958, -2356?
一个美术生