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您好: 設一共x天 4/15:1=8:x x=8x1÷4/15 x=30 如果本題有什麼不明白可以追問,如果滿意記得採納 如果有其他問題請採納本題後另發點擊向我求助,答題不易,請諒解,謝謝. 祝學習進步!
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