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X = 一个 1 ⋅ b 3. ⋅ c 5 ⋅ ⋅ ⋅ ⋅ z 51 Y = z 1 ⋅ y 3. ⋅ x 5 ⋅ ⋅ ⋅ ⋅ 一个 51 \begin{align} x &=& & ^1\cdot b^3 \cdot c^5\cdot \cdot \cdot \cdot \cdot z^{51} \\ y &=&z^1 \cdot y^3 \cdot x^5 \cdot \cdot \cdot \cdot \cdot \cdot a^{51} \end{align} XY==一个1⋅b3.⋅c5⋅⋅⋅⋅z51z1⋅y3.⋅x5⋅⋅⋅⋅一个51
如果 一个 ⋅ b ⋅ c ⋅ d ⋅ ⋅ ⋅ ⋅ z = ( − 24389 ) 1 156 A \cdot b \cdot c \cdot d \cdot \cdot \cdot \cdot \cdot \cdot \cdot 一个⋅b⋅c⋅d⋅⋅⋅⋅z=(−243.89)1561的值 X Y XY XY.
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