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討論串[計量] 請問一題數學
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原來的題目應該是長這樣的. A manufacturer packages soap powder in containers of three different sizes.. The amount of soap powder in a full large container could f
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我覺得好像 (A)(B) 都對,想法如下:. I. 從題目所得的資訊. 1. L>M>S. 2. L=3M. 3. X(L+S)=90M. 代入 (2.). 4. X(3M+S)=90M. 無足夠資訊解開方程 (4.). II. 利用答案帶入法解題. 先從中間數答案 (C) 下手篩選. (C) X=
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A manufracturer packages soap powder in containers of three different sizes. The amount of soap powder in a full large container could fill exactly 3
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