Answer :
P- Parenthesis
E- Exponents
M- Multiplication
D- Division
A- Addition
S - Subtraction
E- Exponents
M- Multiplication
D- Division
A- Addition
S - Subtraction
P ⇔ Parenthesis
E ⇔ Exponents
M ⇔ Multiplication.
D ⇔ Division.
A ⇔ Addition.
S ⇔ Subtraction.
E ⇔ Exponents
M ⇔ Multiplication.
D ⇔ Division.
A ⇔ Addition.
S ⇔ Subtraction.