What is the t'th term of -975, -1950, -2925?
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What is the g'th term of -62, -152, -272, -428, -626, -872?
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What is the x'th term of -110, -111, -100, -71, -18?
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What is the p'th term of 2, -12, -38, -76, -126?
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What is the m'th term of -173, -347, -523, -701?
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What is the u'th term of -762, -1523, -2284?
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What is the r'th term of 30, 51, 70, 87, 102, 115?
一个美术生