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1:7分之1=7:1; 1:0.3=10:3; 您好,很高興為您解答,skyhunter002為您答疑解惑 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
7√3-√3分之1 =7√3-√3/3 =20√3/3
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