(23 a3 b5 y6):(13 a b2 )\left(\frac{2}{3}\:a^3\:b^5\:y^6\right):\left(\frac{1}{3}\:a\:b^2\:\right)(32a3b5y6):(31ab2)
4−x64−x3\frac{4-x}{64-x^{3}}64−x34−x
2tan(x)−cos(x)cos(x)\frac{2\tan\left(x\right)-\cos\left(x\right)}{\cos\left(x\right)}cos(x)2tan(x)−cos(x)
5a+7b−3c+b+5c+2a5a+7b-3c+b+5c+2a5a+7b−3c+b+5c+2a
xdydx=exx\frac{dy}{dx}=e^xxdxdy=ex
sen(45−a):cos(45+a)=−1sen\left(45-a\right):cos\left(45+a\right)=-1sen(45−a):cos(45+a)=−1
3xx+1≥1\frac{3x}{x+1}\ge1x+13x≥1
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