x6 − y3x^6\:-\:y^3x6−y3
12=146+74sin(π6t)12=146+74sin\left(\frac{\pi}{6}t\right)12=146+74sin(6πt)
sin(53+34)\sin\left(\frac{5}{3}+\frac{3}{4}\right)sin(35+43)
nx+n−x\frac{n}{\sqrt{x+n}-\sqrt{x}}x+n−xn
3x+15=3(x+5)3x+15=3\left(x+5\right)3x+15=3(x+5)
xx−3=x+1−4\frac{x}{x-3}=\frac{x+1}{-4}x−3x=−4x+1
limx→2(x2+4x+4x+2)\lim_{x\to2}\left(\frac{x^2+4x+4}{x+2}\right)x→2lim(x+2x2+4x+4)
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