What is the z'th term of -419, -424, -429, -434, -439?
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What is the d'th term of 176, 177, 178?
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What is the p'th term of -38, -79, -118, -155, -190, -223, -254?
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What is the t'th term of 15, 8, 1, -6, -13?
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What is the x'th term of 115, -78, -407, -878, -1497, -2270?
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What is the d'th term of -14, -17, -20?
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What is the y'th term of -27, -25, -25, -27, -31, -37, -45?
一个美术生