$-7,32-0,0005$
$1236.005+1478.007$
$\left(1+2+\sqrt{1^2+2^2}\right)\left(1+2-\sqrt{1^2+2^2}\right)$
$2csc^2x+11cscx+15=0$
$\sqrt{3}\sec x-2=0$
$\left(b+20\right)\left(b-20\right)$
$64a^3-125b^9$
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