What is the d'th term of 107, 123, 137, 149, 159?
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What is the g'th term of 90, 170, 250, 330, 410?
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What is the f'th term of -487, -478, -469?
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What is the r'th term of -466, -465, -464, -463, -462?
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What is the q'th term of -3138, -6277, -9416?
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What is the i'th term of 5, 6, 9, 14?
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What is the w'th term of -28, -74, -122, -172?
一个美术生