What is the l'th term of -1821, -1820, -1819, -1818?
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What is the x'th term of -37, -26, 7, 74, 187, 358, 599?
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What is the n'th term of -6915, -6916, -6919, -6924, -6931?
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What is the b'th term of -3, -7, -29, -81, -175?
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What is the t'th term of -80, -89, -104, -125?
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What is the b'th term of -505, -504, -503, -502, -501, -500?
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What is the p'th term of 3759, 3760, 3761, 3762, 3763?
一个美术生