Bryan 發問於 科學及數學數學 · 5 年前

Maths Combination Question There are 3 letter-boxes marked P,Q,R and 8 letters marked A,B,C,D,E,F,G,H.?

Q: Find the no, of ways in which 8 letters can be placed in the boxes if there is no restriction.

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Maths Combination Question

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  • 5 年前
    最愛解答

    Sol

    A有3個選擇

    B有3個選擇

    H有3個選擇

    3^8=6561

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