What is the g'th term of 427, 879, 1331?
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What is the o'th term of 43, 33, 19, 1, -21, -47, -77?
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What is the i'th term of 35, 36, 39, 44?
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What is the z'th term of -247, -233, -219, -205, -191, -177?
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What is the x'th term of -25, -28, -31?
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What is the o'th term of -30, 15, 86, 195, 354, 575?
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What is the r'th term of -31, -29, -27?
一个美术生