問題詳情
31. 如圖(十三)，將長方形 ABCD 分割成1個灰色長方形與 148 個面積相等的小正方形。根據下圖，若灰色長方形之長與寬的比為 5 :3，則 
=？
(A) 5:3
(B) 7 :5
(C) 23 :14
(D) 47 :29
參考答案
無參考答案
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