What is the c'th term of 1137, 1130, 1107, 1062, 989?
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What is the x'th term of -6, -23, -40, -57, -74, -91?
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What is the y'th term of -815, -817, -819, -821, -823?
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What is the x'th term of -1535, -1543, -1549, -1553?
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What is the y'th term of 100, 97, 94, 91?
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What is the c'th term of 301, 295, 277, 241, 181, 91?
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What is the u'th term of -440, -802, -1164, -1526?
一个美术生