This is about numbering System...the answer need in decimal, hex, oct, and binary...after get all the answer, need to prove that the answer is correct or not by comparing all the answer in each base....anyone can help me please??? thanks!!

57FFh + 70h + 50o - 61.57h * 11111001b - 145Ch / 0010b + 11000110.10111b = ?

need step by step tutorial here...>< im beginer...