學校園遊會上，六年甲班分成四組，分別賣炒麵、貢丸湯、奶茶、臭豆腐。下圖是活動結束後，此四組的收入與成本統計圖。若投資報酬率 = ，根據此圖判斷賣哪一種食品的投資報酬率最高？(A)炒麵 (B

問題詳情

46. 學校園遊會上，六年甲班分成四組，分別賣炒麵、貢丸湯、奶茶、臭豆腐。下圖是活動結束後，此四組的收入與成本統計圖。

若投資報酬率 = ，根據此圖判斷賣哪一種食品的投資報酬率最高？
(A)炒麵
(B)貢丸湯
(C)奶茶
(D)臭豆腐

參考答案

無參考答案

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