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Clearnote
Q&A
Junior High
Mathematics
求解急
Mathematics
Junior High
over 6 yearsago
Monica
求解急
號 應吃:一一一一 未 1-3 二元一次聯立方程式的應用 2 人 題目觀念:數量買反問題 老師講解8 已知黃媽媽到百貨公司買 5瓶護手霜與2瓶染髮劑,因為記錯數量最後買成2 , 瓶護手霜與5瓶染髮劑,於是比原先設定的少付了450 元。若染髮劑一瓶 100 ! 元 ,則護手霜一瓶多少元? 加AA) 320 。 (B) 300 (C) 280 (D) 250 時 | 栓題2
Answers
horz
over 6 yearsago
設 護手霜是x 染髮劑是y
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