展开 (2100t-2000)/(t(t-20))

解答

展开

\frac{2100 t - 2000}{t ( t - 20 )}

\frac{2100 t - 2000}{t ^{2} - 20 t}

求解步骤

\frac{2100 t - 2000}{t ( t - 20 )}

乘开

t (t - 20) : t^{2} - 20 t

= \frac{2100 t - 2000}{t ^{2} - 20 t}

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