de^-1/dt
de^ยด1/dt
(2- | x-1 |) /x<0
2- | x-1 | /x<0
x^2 + 1 >=0
X+(X*10/100)= 9000
X+(X*10/100)= 9.695,91
11/12 of 2/3
@INTEGRAL{}@DIV{4;x@Sup{5}}@RT{7-@DIV{1;4}dx
f(x)=-x f(-100)
