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Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決 
智力測驗 算損失
Mar 23rd 2015, 11:34

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○ × 0.75=120 □ × 1.25=120 120 ÷ 0.75 =160 120 ÷ 1.25 =96 160+96 =256 256-240=16...

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