What is the z'th term of -166, -332, -498, -664, -830, -996?
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What is the o'th term of -217, -445, -689, -949?
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What is the c'th term of 50, 70, 90, 110, 130?
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What is the c'th term of 80, 141, 206, 275, 348?
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What is the y'th term of 105, 211, 321, 435, 553?
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What is the f'th term of -8, -11, -10, 1, 28, 77, 154, 265?
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What is the u'th term of 95, 111, 135, 167, 207, 255, 311?
一个美术生