What is the j'th term of 1511, 1509, 1505, 1499, 1491, 1481, 1469?
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What is the v'th term of -40, -76, -112, -148?
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What is the i'th term of 5, 6, 5, 2, -3?
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What is the i'th term of 28, 59, 104, 157, 212?
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What is the a'th term of 162, 361, 550, 723, 874, 997?
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What is the c'th term of 87, 164, 239, 312, 383?
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What is the t'th term of -42, -83, -124?
一个美术生