What is the i'th term of -64, -117, -170, -223?
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What is the r'th term of 20, 15, 8, -1, -12, -25, -40?
下一篇：
What is the x'th term of -431, -440, -447, -452, -455, -456?
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What is the b'th term of -24, -12, 6, 30, 60, 96, 138?
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What is the t'th term of 1265, 2533, 3801, 5069, 6337, 7605?
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What is the t'th term of -10, 22, 70, 128, 190, 250, 302?
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What is the i'th term of -2975, -2975, -2973, -2969, -2963, -2955, -2945?
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What is the d'th term of 23, 85, 253, 581, 1123, 1933, 3065?
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What is the f'th term of 15, 24, 37, 54, 75, 100, 129?
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What is the r'th term of 20, 15, 8, -1, -12, -25, -40?
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What is the d'th term of -37, -46, -55, -64?
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What is the q'th term of 41, 40, 35, 26, 13, -4, -25?
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What is the x'th term of -431, -440, -447, -452, -455, -456?
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What is the m'th term of 5, 48, 165, 392, 765, 1320, 2093?
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What is the z'th term of 5, -4, -13, -22, -31?
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