What is the a'th term of -5650, -11300, -16948, -22594, -28238, -33880, -39520?
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What is the u'th term of 186, 188, 192, 198, 206, 216, 228?
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What is the n'th term of -53, -197, -437, -773, -1205, -1733, -2357?
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What is the i'th term of -55, -108, -161?
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What is the t'th term of -20, -17, -14, -11?
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What is the i'th term of 1, -23, -85, -203, -395, -679?
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What is the t'th term of 90, 168, 244, 318, 390, 460, 528?
一个美术生