What is the g'th term of -12, -20, -28, -36, -44, -52?
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What is the y'th term of 207, 414, 621, 828?
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What is the v'th term of -7, -20, -37, -58, -83?
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What is the j'th term of 1045, 1049, 1055, 1063, 1073, 1085, 1099?
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What is the x'th term of 4, -209, -792, -1931, -3812, -6621, -10544?
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What is the j'th term of -62, -248, -560, -1004, -1586, -2312, -3188?
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What is the t'th term of 211, 409, 607, 805?
一个美术生