How to calculate the proposition assignment of pV into true assignment and false assignment?

Let A, B, C, D,,,, are all propositional symbols in Formula A, and assign a true value to A, B, C, D,,, and respectively, which is called the assignment or explanation of A, and write down i. If a set of specified values makes the true value of A 1, it is called the true assignment of A. If the true value of A is 0, ..