a) (a b) mod (a + c) div (a / b) - 12fb) (cos(x + y))/2 - sqr(z)sin((x + y)/2+2pi)c) (a/x)(b/y) - (ax)/(by)/e + a(b/c)d.
a) (a b) mod (a + c) div (a / b) - 12f
b) (cos(x + y))/2 - sqr(z)sin((x + y)/2+2pi)
c) (a/x)(b/y) - (ax)/(by)/e + a(b/c)d.