What is the x'th term of -2099, -2101, -2113, -2141, -2191, -2269, -2381, -2533?
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What is the l'th term of 44, 81, 142, 227, 336?
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What is the q'th term of -91, -180, -269, -358?
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What is the i'th term of 9, 15, 11, -9, -51?
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What is the o'th term of -31, -24, -15, -4, 9?
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What is the u'th term of -1067, -1052, -1049, -1064, -1103?
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What is the o'th term of 128, 126, 124?
一个美术生