What is the z'th term of 19, 27, 39, 55, 75?
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What is the t'th term of 13, 29, 45, 61?
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What is the x'th term of -58, -113, -214, -367, -578, -853, -1198?
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What is the v'th term of 92, 235, 470, 791, 1192, 1667?
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What is the w'th term of 7, 32, 73, 130?
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What is the h'th term of 68, 129, 190, 251, 312, 373?
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What is the q'th term of -10, -20, -30, -40?
一个美术生