$-1675-2496$
$100a^2b^3-150ab^2c+50ab^3c^2$
$\int8senxcos^4-6senxcos^2xdx$
$\sqrt{2}\cos2x+1=0$
$\frac{\sqrt{n+4}}{n^2\:.4^n}$
$\frac{s^3+2s^2+s+2}{s^2+2}$
$\left(\frac{2}{3x}\right).\frac{4}{12}$
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