What is the c'th term of -101, -105, -109, -113, -117, -121?
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What is the m'th term of 240, 235, 228, 219, 208, 195, 180?
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What is the o'th term of 50, 49, 48, 47?
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What is the z'th term of 234, 246, 272, 318, 390, 494, 636?
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What is the z'th term of 173, 369, 565?
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What is the q'th term of -787, -782, -765, -730, -671, -582, -457, -290?
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What is the y'th term of -79, -89, -99, -109?
一个美术生