y′=1x2cosy+x2y'=\frac{1}{x^2cosy+x^2}y′=x2cosy+x21
∫1015(0.02e−0.02t)dx\int_{10}^{15}\left(0.02e^{-0.02t}\right)dx∫1015(0.02e−0.02t)dx
x3 −12x+16x−2\frac{x^{3\:}-12x+16}{x-2}x−2x3−12x+16
3(x2)33x3\frac{3\left(x^2\right)^3}{3x^3}3x33(x2)3
2x2(4y−3x)\:2x^2\left(4y-3x\right)2x2(4y−3x)
∫ r2r2+z2dr\int\:\frac{r^2}{\sqrt{r^2+z^2}}dr∫r2+z2r2dr
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