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標題:

Mathmatics - simplify

發問:

How to simplify the following question? [(a)(a)...(a)] / (a+a+...+a) = ? Note: [(a)(a)...(a)] means a times and (a+a+...+a) means a terms.

最佳解答:

Q: How to simplify the following question? [(a)(a).......(a)]/(a+a+.......+a) = ? Note: [(a)(a)......(a)] means a times and (a+a+......+a) means a terms. Sol: [(a)(a)......(a)]/(a+a+......+a) = aa/[(a)(a)] = aa/a2 = a(a-2) Ans: a(a-2)

其他解答:

[(a)(a)...(a)] / (a+a+...+a) = a^n/na=(a^(n-1))/n

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