(5−8−9)+38−2[3+4−5]−1\:\left(5-8-9\right)+38-2\left[3+4-5\right]-1(5−8−9)+38−2[3+4−5]−1
lima→0(2sin(a)−tan(a)a)\lim_{a\to0}\left(\frac{2\sin\left(a\right)-\tan\left(a\right)}{a}\right)a→0lim(a2sin(a)−tan(a))
m2−12m2+6mm^2-12m^2+6mm2−12m2+6m
x+1x2−1\frac{x+1}{x^2-1}x2−1x+1
limx→0e4x−1x\lim_{x\to0}\frac{e^{4x}-1}{x}x→0limxe4x−1
(x+3)2−(x−3)2−12x+5\left(x+3\right)^2-\left(x-3\right)^2-12x+5(x+3)2−(x−3)2−12x+5
(m2+25)(m−5)\left(m^2+25\right)\left(m-5\right)(m2+25)(m−5)
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