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54.下表是體操隊隊員體重的累積次數分配表,則X − 2Y + 3Z = ? (A)-13 (B)21 (C)37 (D)53
問題詳情
54.下表是體操隊隊員體重的累積次數分配表,則X − 2Y + 3Z = ?
(A)-13
(B)21
(C)37
(D)53
參考答案
答案:C
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x=4-1=3z=4+10=14★=20-14=6☆=24-20=4☆-2...
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