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A. 23.8钀�

B. 24钀�

C. 24.2钀�

D. 24.4钀�

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A. 28

B. 8

C. 11

D. 16

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棰�(f膿ng)闅牨閰巼=鏈熸湜鎶曡硣鍫遍叕鐜�-璩囬噾鏅傞枔鍍瑰€�=18%-10%=8%銆侭姝ｇ⒑銆�

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