基础数学公式(示例)
Sample高中与初学者最常用的 6 条公式。
6 cards
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HJ4LMR Download link
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- 圆的面积S = π r²
HJ4LMR-c7e536754
Copy card ID - 圆的周长C = 2 π r
HJ4LMR-c00210bf3
Copy card ID - 一元二次方程求根公式x = (-b ± √(b² - 4ac)) / 2a
HJ4LMR-c637223af
Copy card ID - 等差数列前 n 项和Sₙ = n(a₁ + aₙ) / 2
HJ4LMR-c18e30fc8
Copy card ID - 欧拉恒等式e^(iπ) + 1 = 0
HJ4LMR-c521f4ff3
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