問題詳情
3.下列四個比值中，哪一個是錯誤的？
(A) 3.2：2.4的比值為 
(B) 
的比值為 
(C) 
的比值為 
(D) 20公克：25公克的比值為 
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
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