I am confused pleas help: Consider an unknown language with a
left – associative + operator that is overloaded to have the
following type: int*real -> real, int*int -> int, real*int
_> real, and real*real->real.Suppose the variable i has type
int and the variable r has type real.For each + operator in each of
the following expressions, say which type of + is used:
a. i + r
b. i + r + i
c. i + ( r + i)
d. I + i + r + ( r+i)