In this video I will explain class new 9th book math 2025 chapter 1 review exercise 1 question 4+5 based on Punjab curriculum and textbook board Lahore. Related research : Mathematics new book Chapter 1 review exercise Review exercise 1 Question 4 + 5 New book math 9th chapter 1 Class new 9th book math Review exercise 1 question 4 + 5 Chapter 1 review exercise 1 question 4 + 5 / @bualisystem