What is the c'th term of -2845, -5695, -8547, -11401, -14257?
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What is the w'th term of -5, -22, -47, -80?
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What is the d'th term of 1032, 4136, 9300, 16518, 25784, 37092, 50436?
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What is the t'th term of -3, 10, 35, 72, 121, 182?
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What is the b'th term of -40, -186, -438, -808, -1308?
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What is the m'th term of 1819, 1809, 1787, 1747, 1683, 1589?
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What is the m'th term of -84, -172, -270, -378, -496?
一个美术生