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1*x^4-(16*x^2)-(60*x)+0*x^3+75 = 0;x
x
X^2*(16-(8*x))^(1/2)
100*(125-x)^2
(0.01*x^2)/((e^(x/0.7)+1)^(1/2))+0.15*10^-3*x^(3/2)+x/1500-(18/1500)
6;2;6;2;0;0
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