x over 6 + 7 over 15
$0.2^{4}$
2^1÷7=1+x÷100
3648500/103
3x^{2}+x=4
(-1/2)^4-3*(-1/2)^3-2*(-1/2)^2+5
f(x)=x²cos(x-1)
-10+(-6)+(-3)
Derive the following function
$0.5^{5}$