What is the k'th term of -232, -231, -232, -235?
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What is the d'th term of 140, 278, 416?
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What is the p'th term of -26, -15, 10, 49, 102, 169, 250?
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What is the l'th term of 292, 602, 914, 1228, 1544, 1862, 2182?
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What is the x'th term of -227, -402, -565, -710, -831, -922?
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What is the l'th term of -89, -116, -191, -338, -581?
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What is the s'th term of -939, -937, -933, -927, -919?
一个美术生