解決90=k*(40)^2 |Microsoft數學求解器

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解 k

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90=k\times 1600

計算 40 的 2 乘冪，然後得到 1600。

k\times 1600=90

換邊，將所有變數項都置於左邊。

k=\frac{90}{1600}

將兩邊同時除以 1600。

k=\frac{9}{160}

透過找出與消去 10，對分式 \frac{90}{1600} 約分至最低項。

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