$23\frac{0}{100}$
$x^2-x-20\ge0$
$5\cdot0.80$
$2cosx^2-2cosx-1=0$
$\left(4-b-c\right)^2$
$\int\left(\left(x-1\right)^3-\left(x-1\right)\right)dx$
$62.702\:+94.3$
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