
ԭͼcutɫߵľΣ ٰʣƵһ ͱұߵСһЩΡ
עұεĸ߾Ǻɫεĸߡ ߷ֳɵơ ֱDZֱDZ֮Ϊ \(p\) \( 7\times (1+p) = 12 \times ( 1 + \frac{1}{p}\) \(p = \frac{12}{7}\)ұεĸΪ 19.
ұεĵױΪ\[ L = 12\times (1+p) + 7 \times ( 1 + \frac{1}{p}) =\frac{3667}{84} \]
ɫεĵױ \(52 -L = \frac{701}{84}\) Ϊ \(\displaystyle19\times (52 -L) = \frac{13319}{84}= 158.56\)
���༭ʱ��: 2021-11-13 04:25:41


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