What is the u'th term of 1, 9, 21, 37, 57, 81?
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What is the v'th term of 25, 50, 71, 88?
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What is the b'th term of 28976, 28972, 28966, 28958, 28948, 28936?
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What is the m'th term of -1237, -2468, -3699, -4930?
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What is the m'th term of 477, 483, 501, 537, 597, 687?
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What is the z'th term of 5, 11, 17, 23, 29, 35?
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What is the t'th term of -53, -44, -35, -26?
一个美术生