2016-I-17
答案:(a) $-3$ (b) $444$
… Read - 設 $d$ 為公差。
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T(38)
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f(\dfr
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-5x & & 21-
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= & 33\ 360 \div (1+25\
設 $x_0$、$y
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AB^2 + BD^2 &