What is the u'th term of -762, -1523, -2284?
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What is the m'th term of -173, -347, -523, -701?
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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 r'th term of 30, 51, 70, 87, 102, 115?
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What is the i'th term of -7, -44, -117, -232, -395, -612, -889?
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What is the b'th term of -197, -388, -581, -776, -973, -1172, -1373?
一个美术生